Also, I think the default "choices" (from ME1) it gives you when you start a new character for ME2 aren't the greatest. Although I think there's a cheap DLC to let you mock up an ME1 save. Hmm.
I know there's also a free mod/program that lets you fiddle with save settings. I used it, and it worked perfectly. Don't remember the name of it, though. I think the only reason I installed it was because it let you change your Shepard's face.
http://www.moddb.com/games/mass-effect-2/downloads/mass-effect-2-save-editor
Also, should I buy Shadow Broker/Arrival for ME2? I don't know why I should get Shadow Broker, but Arrival apparently connects ME2 and ME3 storywise, and in the demo when you're