These are a few albums I think are well-mixed and produced.
In no particular order:
Steely Dan - Aja
Live - Throwing Copper
Dire Straits - Brothers in Arms and Love Over Gold
Nirvana - Nevermind
Rush - Power Windows
Heart - Dreamboat Annie
Journey - Escape and Raised on Radio
The Police - Synchronicity
Supertramp - Even in the Quietest Moments
The Beatles - Abbey Road
Queensryche - Empire
These immediately come to mind. I thought it would be interesting to see what others have to say on this subject.