I know I'm on an island by myself with this one, but only UAGM prevents I&W from being "perfect" for me.
Other songs that prevent they albums they're on from being "perfect":
Awake: Innocence Faded, The Mirror and Lie
FII: New Millennium is the biggest stinker on this album, but none of the other songs would make for a "perfect" album. However, You Not Me, Hollow Years, Hell's Kitchen, Anna Lee and Trial of Tears would have made a pretty good EP.
SDOIT: The Great Debate and Disappear
TOT: Honor Thy Father and This Dying Soul
8VA: I Walk Beside You and the continuum intro to the title track
SC: Repentance is the biggest stinker on this album, but none of the other songs would make for a "perfect" album except Constant Motion
BC&SL: ANTR, AROP and TBOT
ADTOE: OTBOA, LNF, BITS, Outcry, BAI and BTS would make for a "perfect" album. The rest has the feel of "filler" for me.
DOT: Still to early to decide.
The albums not mentioned don't have any major stinkers but simply aren't good enough to be considered "perfect" (and TA is in a category all to itself).