I'm going to do this all in one color because the other posts make my eyes bleed.
Lightbulb Sun
Images and Words
In Absentia
Six Degrees of Inner Turbulence
Scenes From a Memory
Stupid Dream
Fear of a Blank Planet
Octavarium
Signify
The Incident
Deadwing
A Dramatic Turn of Events
Awake
Up the Downstair
Falling Into Infinity
Black Clouds and Silver Linings
On the Sunday of Life
WDADU
Train of Thought
SC
So DT/PT have some great highs, but in the middle of the pack, PT shines with fantastic albums, while everything from BC&SL-SC is either mediocre or bad...and its filled almost entirely with DT. So yeah, PT's more consistently good, but DT has some amazing highs as well.