masseffect.bioware.com/forums/viewtopic.html?topic=677273&forum=104

This is from the Bioware forum and someone was asking about the GDC footage and how it looked a lot like ME I. The community manager replied with this:

I wouldn't get to concerned about unfinished footage that was recorded by a TV camera for a game that is not going to be released for many months yet.

Wait till we release something official and not "watched over someone's shoulder" before you make up your mind.

I'm thinking Christmas/early spring