I don't outright hate The Odyssey...even though I did initially get kind of a bad impression of the band because of it. The problem is I can't listen to it straight through as an album because of the way it's mixed. Some songs are actually very good (the title track, Accolade II, Awakenings come to mind), but I so rarely ever get into the mood to play the whole thing. That makes it my least-listened to SymX album.
The self-titled album, while the mixing is bad, it's at least not painful...and I actually do think the album's somewhat underrated. Oh...and the last reason for liking it is kinda embarrassing to admit...but I have a MUCH easier time singing along with Rod's stuff, because our voices are a bit more similar in range and tone. Trying to sing anything along with Russ...I sound so miserable even to myself that I just have to stop.
(Oddly enough, I actually find Train of Thought significantly easier to listen to straight through than Odyssey.)