Best album ever!

Bingley's got up a post about the best year in music. He makes a compelling argument about 1979, although we all know that 1991 was truly the best year.

While the year might be somewhat debatable, it brought to mind what is the best album ever? What album is so perfect that it has no faults. I can think of few contenders, but there's only one champion:

Dream Theater's 1999 release: Metropolis 2: Scenes From a Memory