Good places to by xbox 360 modded controllers?

Best place for me to get xbox360 modded controllers is off ebay. just type "xbox360 modded controllers n they will give you a whole list of them. if u want to go to 1 right now heres a link to 1. http://cgi.ebay.com/XBOX-360-RAPID-FIRE-MODDED-CONTROLLER-MW2-BLACK-OPS-/270668170240?pt=Video_Games_Accessories&hash=item3f05148400