Just talking about Mass Effect gives me the chills from having to do planet scans for precious minerals. Mass Effect 1 has a much more enjoyable process of driving to and mining the minerals. Mass Effect 2 planet scanning is atrocious.
As for ME1 vs. ME2, the story of ME1 contains a much more satisfying antagonist in Saren. However, ME2 beats it in everything else from removing the tedious micromanagement, streamlining the combat, and equalizing the classes so that every class has a good chance on Insane and not just Adepts, Soldiers, and Infiltrators as was the case in ME1.
If you are playing ME1 as an Adept, don't get used to it because you are in for a disappointment come ME2 where your spells are no longer instant cast and able to target enemies behind cover. In Mass Effect 2, if you throw out a singularity and an enemy ducks, then it won't hit.
