1. The contract expires for exclusivity in January 07.
2. It is well known, that 360 games are basically programmed in the same way PC games are, and it only takes a matter of weeks to port from one to the other, this is because they are both built on a microsoft software core, and are very easy to do crossover porting.
Read up about things before you make totally false statements!
Pes 6 may well be based on the PS2 version, but the point is that it would have been a hell of a lot easier to port the 360 version to PC as the architecture of the 360 is very simalar to a PC.