i'd say its rare that an album is completely flawless. in fact, i can only think of a few that are (to me at least)
what about you?
AC/DC Powerage
STONES Let It Bleed / Beggars Banquet / Exile / Sticky Fingers
AEROSMITH Rocks
RAMONES Rocket To Russia / Ramones
STOOGES Funhouse / Stooges
LED ZEPPELIN III / IV / Physical Graffiti
ZZ TOP Tres Hombres
FUGAZI Repeater
LOW Things We Lost In The Fire
RADIOHEAD OK Computer
MY BLOODY VALENTINE Loveless
MILES DAVIS Bitches Brew