Gamestop.com lists the same thing Amazon and the MS store do.
http://www.gamestop.com/Catalog/ProductDetails.aspx?product_id=78103
So maybe it is in fact 640 x 480 and Play.com has it wrong as I don't think MS is going to lie like that on their own site.
iPhone = Great gaming device. Don't agree? Who cares, because you're wrong.
Currently playing:
Final Fantasy VI (iOS), Final Fantasy: Record Keeper (iOS) & Dragon Quest V (iOS)