U doubt it will come out on PC. I think it was made to help either A) bring more RPG to xbox. or B) Make people like you want to go out and buy an xbox for this game :-D Either way I very much doubt that it will be on PC.
Anywho, I got it the second day it came out and It's great. Already got me a house and am workin on gettin a pretty little lady to live with me. I think I can get her tonight