Xbox controller are in my opinion very good in the hand and are clear to me rather than the Sixaxis controller of PS3.
That the receiver is as big to me today, although incomprehensible (not going well, a small USB flash drive without the huge cable?), But does not bother me further.
The difference with the Xbox360 controller (without the "for Windows") is the way only the additional receiver. Those who want to connect multiple controllers to the same PC, so it can also be combined with the other readily ....