Sony DUALSHOCK 3 Wireless Controller for $43.99 + $1.99 shipping = $45.98. You can get it for $40.98 if you checkout using google checkout for the first time on the site. They give a $5 discount.
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=3771065&sku=S167-5004
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=3771065&sku=S167-5004