I would say just go with ME2. This game blew me away. I had no idea what to expect (ME1 was good, but not amazing), but it's easily one of the best games ever made. Do that one first.
I'd assume that the best way to do this would be simply to activate a new account with strictly the DLC on it, but it would only be for 2 people. I could be wrong about this though.
However, if anyone is wanting to set up a group for this DLC I'd gladly go in on it.
I'm sure everywhere will be out of Sly by the time I'm done work. Oh, and the weather is too crappy to really want to drive around town too much for it.
I've got a quick question about the whole RDR/Undead issue that arose back on the day it came out. I know two people in the share were able to get a certain version of it... but what exactly is it they got that the other 3 people didn't get? I'm just curious because I have both RDR and Undead as...