Finished all the missions and whatnot. Not that short, but not extremely long either. Also, I tend to read the subtitles as opposed to waiting for the people to say whatever they're saying.
Verdict, however is that it is better than ME1 in most aspects, especially the side missions and the AI. I must say though, I don't like the new loot system at all. They definitely should have stuck to the old one. With the power cells, it feels like they're REALLY dumbing the game down for the below-the-lowest-common-denominator audience...