Ok, so I've finally caved in and bought Mass Effect 2 for the 360, albeit at the low-low price of £15.85 inc. postage.
Why? Achievements. Sad to say but it annoys me that there's no evidence of the fact that I've ever played ME2, and my e-peen needs some stroking (too far?)
Sony, Microsoft, Valve, Bioware et al...if you're reading this: give me a damned cross-platform achievement system so I don't have to buy the same game twice, just because I prefer playing it on the PC.
Not only that, but I'm also going to have to buy all the DLC again.
Mass Effect 2, if you weren't such a good game I'd hunt you down and kill you for this!