"Classic Albums" - the ones immediately before that were better

A lot acts have albums that stand out from the rest of their output or are generally considered by many as their their best.  Which albums released immediately before those do you like more

Nirvana - Bleach (Nevermind)
Michael Jackson - Off The Wall (Thriller)
Depeche Mode - Music For The Masses (Violator)
Pulp - His'n'Hers (A Different Class)
Oasis - Definitely Maybe (What's The Story Morning Glory)
Blur - Modern Life Is Rubbish (Parklife)