I bought it and tried to play it. like almost everyone else in the official forums, the game crashes after about 40 mins. now I uninstalled it so I could install DoD:S, but as soon as I get a new HDD I'll reinstall it (and I expect it to be pretty soon)
my impressions so far are great, but I agree with naz's review about the dialog options. I'm being a Paragon, so I don't even have to THINK about what option to choose. I also felt that some side-quests were very forced, like the guy in the citadel whose wife was killed in Eden Prime.
one thing that really upsets me, even if it's not a real flaw, is having everyone equipped with the classes' possible weapons. and also the inventory, being console-oriented, isn't very mouse and keyboard friendly.
and there's another small thing that is quite weird, that is when a character speaks, kind of a continuity problems, that is, the character speaks, his stance resets, and then his stance returns to "speaking" again, and then repeats until he ends his lines. it looks really weird.