Quote Originally Posted by Epsilon82 View Post
In what respect, though? Is it that Sony and Microsoft refuse to allow Harmonix to do what is technically feasible, or is there some technical aspect that I'm missing here?
Microsoft doesn't allow their system to play well with other online networks. Not PSN, not Steam (Portal 2 had steam integration for PS3 and nothing for 360, for example), not anyone except GFWL on PC.