the store is called "Costo Wholesale"..google their name and check out their website..
http://www.costco.com/ and search electronics or type in "xbox 360", "ps2", etc...
My g/f works at a Costo here in MD and I picked her up yesterday and caught some great deals for all systems (even moreso on their website)...
i.e......
Halo 3 for $49.99
12+1 Month 360 Membership for $39.99
360 Black Wireless Controller for $38.99
and much more...they even had some great...