I'm torn between 1977 and 1979; surely you kind people here can help sort this out once and for all and set my mind at ease.

1977:
The Clash, The Clash
Sex Pistols, Never Mind the Bollocks, Here's the Sex Pistols
Television, Marquee Moon
David Bowie, Low and "Heroes"
Ramones, Rocket to Russia
Kraftwerk, Trans-Europe Express
Brian Eno, Before and After Science
Wire, Pink Flag
Fleetwood Mac, Rumours
Iggy Pop, The Idiot and Lust for Life
Elvis Costello: My Aim Is True

1979:
Joy Division - Unknown Pleasures
PIL - Metal Box/Second Edition
The Clash - London Calling
Gary Numan - Relics and The Pleasure Principle
Buzzcocks - Singles Going Steady
Fleetwood Mac - Tusk
Nick Lowe - Labour of Lust
Joe Jackson - Look Sharp!
Tom Petty - Damn the Torpedoes
AC/DC - Highway to Hell
Gang of Four - Entertainment!
Marianne Faithfull - Broken English
Wire - 154
Elvis Costello - Armed Forces
The Specials - The Specials
The Knack - Get the Knack
Police - Reggatta de Blanc
Michael Jackson - Off the Wall
Donna Summer - Bad Girls