There's not been many, has there? When I say great, I mean 'GREAT', not like Killers-great.

I can think of a few I personally adore:

Dummy - Portishead - Third (Portishead)
Debut - Post (Bjork)
Alligator - Dummy (The National)
Unknown pleasures - Closer (Joy Division)
dubnobasswithmyheadman - Second toughest in the infants (Underworld)
Playing with a Different Sex - Sense & sensuality (Au Pairs)
The Red Thread - Monday at Hug & Pint (Arab Strap)
Young Team - C.O.D.Y. (Mogwai)
Ham - Mega Breakfast (The Chap)
Curses - Travels with myself and another (FOTLeft)
Monster - New Adventures in Hi-Fi - (maybe up?) (R.E.M.)
Yo! Bum Rush the Show - It takes a nation of millions... (Public Enemy)
Chemistry - Tangled Up (Girls Aloud)
45:33 - Sound of Silver (LCD Soundsystem)
Arular - Kala (M.I.A.)

Whaddyareckoneh?