Not sure if this has already been posted at some point. Martbowski brought this to my attention, so thought I'd bring it to yours. Most of it makes for depressing reading

1. James Blunt - Back To Bedlam (2367758)
2. Coldplay - X&Y (1999000)
3. Robbie Williams - Intensive Care (1434000)
4. Kaiser Chiefs - Employment (1312000)
5. Gorillaz - Demon Days (1205000)
6. Westlife - Face To Face (1143000)
7. KT Tunstall - Eye To The Telescope (1018000)
8. Kelly Clarkson - Breakaway (952631)
9. Eminem - Curtain Call (926012)
10. Faithless - Forever Faithless (915000)
11. Katie Melua - Piece By Piece (869000)
12. Killers - Hot Fuss (859000)
13. Oasis - Don't Believe The Truth (848000)
14. Il Divo - Ancora (840000)
15. Madonna - Confessions On A Dancefloor (830000)
16. Green Day - American Idiot (814000)
17. Scissor Sisters - Scissor Sisters (787000)
18. Keane - Hopes And Fears (757000)
19. Take That - Never Forget (755000)
20. Gwen Stefani - Love Angel Music Baby (746000)
21. Black Eyed Peas - Monkey Business (689000)
22. Sugababes - Taller In More Ways (640000)
23. David Gray - Life In Slow Motion (625000)
24. Basement Jaxx - The Singles (595000)
25. Pussycat Dolls - PDC (574000)
26. G4 - G4 (573000)
27. Foo Fighters - In Your Honour (571000)
28. Tony Christie - Definitive Collection (561000)
29. 50 Cent - The Massacre (554000)
30. Jack Johnson - In Between Dreams (531000)
31. Mariah Carey - The Emancipation Of Mimi (526965)
32. Athlete - Tourist (499000)
33. Akon - Trouble (487000)
34. Will Young - Keep On (477974)
35. Prodigy - Their Law - The Singles (468000)
36. Eurythmics - Ultimate Collection (453000)
37. Stereophonics - Language, Sex, Violence, Other (451000)
38. Jeff Wayne - The War Of The Worlds (446000)
39. Magic Numbers - The Magic Numbers (444000)
40. Mariah Carey - Greatest Hits (439000)
41. Supertramp - Retrospectacle (438000)
42. Michael Bublé - It's Time (431300)
43. Kanye West - Late Registration (431200)
44. Kasabian - Kasabian (412000)
45. Franz Ferdinand - Franz Ferdinand (411000)
46. Barbara Streisand - Guilty Too (397000)
47. Katherine Jenkins - Living A Dream (372500)
48. Il Divo - Il Divo (371300)
49. Joss Stone - Mind Body & Soul (368200)
50. Franz Ferdinand - You Could Have It So Much Better (368000)
51. Razorlight - Up All Night (358000)
52. Damien Rice - O (355000)
53. G4 - G4 & Friends (349000)
54. U2 - How To Dismantle An Atomic Bomb (348200)
55. Hard-Fi - Stars Of CCTV (347897)
56. Jem - Finally Woken (343000)
57. White Stripes - Get Behind Me Satan (343000)
58. Maroon 5 - Songs About Jane (337000)
59. Anastacia - Pieces Of A Dream (333300)
60. Rod Stewart - Thanks For The Memory (329600)
61. John Legend - Get Lifted (314500)
62. Daniel Powter - Daniel Powter (312500)
63. Kate Bush - Aerial (312300)
64. Green Day - Bullet In A Bible (309000)
65. Simon Webb - Sanctury (307500)
66. Game - The Documentary (298000)
67. Snow Patrol - Final Straw (298000)
68. Jamiroquai - Dymanite (294000)
69. Enya - Amarantine (293000)
70. McFly - Wonderland (291000)
71. Robbie Williams - Greatest Hits (287999)
72. Eminem - Encore (285000)
73. Lucie Silvas - Breathe In (269300)
74. Girls Aloud - Chemistry (269000)
75. Bloc Party - Silent Alarm (261000)
76. Goldfrapp - Supernature (260000)
77. Craig David - The Story Goes (256000)
78. Snoop Dogg - Rhythm & Gangsta (256000)
79. Chemical Brothers - Push The Button (250000)
80. Blink 182 - Greatest Hits (247000)
81. Lemar - Time To Grow (240000)
82. Madeleine Peyroux - Careless Love (236000)
83. Green Day - International Superhits (231000)
84. Charlotte Church - Tissues And Issues (224000)
85. Natasha Bedingfield - Unwritten (222000)
86. Kylie Minogue - Ultimate Kylie (217000)
87. Dire Straits & Mark Knopfler - Private Investigations (215000)
88. Michael Jackson - The Essential (206000)
89. Bryan Adams - Anthology (206000)
90. Usher - Confessions (203000)
91. Mario - Turning Point (199000)
92. Choirboys - The Choirboys (197000)
93. E.L.O - All Over The World (196000)
94. Katie Melua - Call Off The Search (195879)
95. Joss Stone - The Soul Sessions (194000)
96. Rooster - Rooster (192000)
97. Bryn Terfel - Simple Gifts (192000)
98. REM - In Time The Best Of (191000)
99. Michael Ball - Music (189000)
100. Natalie Imbruglia - Counting Down The Days (185000)
101. Coldplay - Parachutes (184000)
102. Plil Collins - Love Songs (182000)
103. Coldplay - A Rush Of Blood To The Head (180000)
104. Michael Bolton - The Very Best Of (179000)
105. Doves - Some Cities (178000)
106. Embrace - Out Of Nothing (173000)
107. Feeder - Pushing The Senses (172000)
108. System of a Down - Mezmerize (170000)
109. Nelly - Suit (169000)
110. Mylo - Destroy Rock & Roll (168000)
111. Jamie Cullum - Catching Tales (167000)
112. Darkness - One Way Ticket To Hell And Back (166000)
113. Carpenters - Gold - Greatest Hits (165000)
114. Simply Red - Simplified (164000)
115. Lionel Richie & The Commodores - The Definitive Collection (163000)
116. My Chemical Romance - Three Cheers For Sweet Revenge (162000)
117. Elvis Presley - Hitstory (161000)
118. Abba - Gold - Greatest Hits (160000)
119. Patrizio Baunne - The Italian (159000)
120. Destiny's Child - No 1s (158000)
121. Ciara - Goodies (157000)
122. Matt Monro - The Ultimate Collection (156000)
123. Elvis Presley - Elvis - 30 No 1 Hits (155000)
124. Sam Cooke - Portrait Of A Legend (154000)
125. Elvis Presley - Love Elvis (153000)
126. Bruce Springsteen - Devils & Dust (152000)
127. Antony & The Johnsons - I Am A Bird Now (151000)
128. Bon Jovi - Have A Nice Day (150000)
129. Queen - Greatest Hits I, Ii & Iii (149000)
130. Rod Stewart - The Story So Far (148000)
131. Arcade Fire - Funeral (148000)
132. McFly - Room On The 3Rd Floor (147000)
133. Oasis - What's The Story Morning Glory (147000)
134. Queens of the Stone Age - Lullabies To Paralyze (146000)
135. Britney Spears - Greatest Hits - My Prerogative (145000)
136. Girls Aloud - What Will The Neighbours Say (144000)
137. Zutons - Who Killed.. (143000)
138. Shakin' Stevens - The Collection (142000)
139. Ian Brown - The Greatest (141000)
140. Savage Garden - Truly Madly Completely - The Best Of (140000)
141. Sean Paul - The Trinity (139000)
142. Destiny's Child - Destiny Fulfilled (138000)
143. 2 Pac - Loyal To The Game (137000)
144. Jools Holland - Swinging The Blues Dancind The Ska (136000)
145. Various - Sing The Number 1s (135000)
146. 50 Cent & G Unit - Get Rich Or Die Tryin' - OST (134000)
147. Bravery - The Bravery (133000)
148. John Lennon - Working Class Hero (132000)
149. Jay-Z & Linkin Park - Collision Course (131000)
150. Katherine Jenkins - Second Nature (130000)
151. Crazy Frog - Crazy Hits (129000)
152. Ronan Keating - 10 Years Of Hits (128000)
153. Kings of Leon - Aha Shake Heartbreak (127000)
154. Green Day - Dookie (126000)
155. Jennifer Lopez - Rebirth (124000)
156. Pink Floyd - Echoes - The Best Of (122000)
157. Johnny Cash - Ring Of Fire - The Legend Of (121000)
158. Fleetwood Mac - The Very Best Of Fleetwood Mac (120000)
159. Futureheads - The Futureheads (118000)
160. Nirvana - Nevermind (116000)
161. Various - The Best Of Vol 1 & Vol 2 (114000)
162. Pink Floyd - The Dark Side Of The Moon (112000)
163. Athlete - Vehicles & Animals (111000)
164. Daniel O'Donnell - Teenage Dreams (110000)
165. Rolling Stones - A Bigger Bang (109000)
166. Andrea Bocelli - Aria - The Opera Album (108000)
167. Shania Twain - Greatest Hits (108000)
168. Paul Weller - As Is Now (107000)
169. Van Morrison - Magic Time (107000)
170. Ray Charles - Genius Loves Company (106000)
171. Muse - Absolution (105000)
172. System of a Down - Hypnotise (105000)
173. Daniel Bedingfield - Second First Impression (104000)
174. Maximo Mark - A Certain Trigger (103000)
175. Steve Brookstein - Heart & Soul (102000)
176. Michael Jackson - Number Ones (101000)
177. U2 - The Best Of 1980-1990 (100000)
178. Pogues - The Ultimate Collection (100000)
179. Stevie Wonder - The Definitive Collection (99000)
180. Streets - A Grand Don't Come For Free (99000)
181. Christina Aguilera - Stripped (98000)
182. Editors - The Back Room (98000)
183. Black Eyed Peas - Elephunk (97000)
184. Oasis - Definitely Maybe (97000)
185. Gorillaz - Gorillaz (96000)
186. David Gray - White Ladder (96000)
187. Slade - The Very Best Of (95000)
188. Cream - Ultimate Cream (95000)
189. Kirsty MacColl - The Best Of (94000)
190. Libertines - The Libertines (94000)
191. Guns N Roses - Greatest Hits (93000)
192. Hayley Westenra - Odyssey (93000)
193. Rod Stewart - Stardust - The Great American III (92000)
194. Jamelia - Thank You (92000)
195. Babyshambles - Down In Albion (91000)
196. Blondie - Greatest Hits (91000)
197. Tony Christie - The Best Of (90500)
198. Will Young - Friday's Child (90036)
199. Cliff Richard - The Platinum Collection (89000)
200. Jamie Cullum - Twentysomething (89000)