I saw a post on another forum that showed someone buying 7 $50 dollar gift cards. For every 50 dollar gc, you get $10 for free. So $70 for free + this 20% off coupon = mega savings....
He basically got a ps3 for like $359 including tax.
EDIT: I found it
http://forums.slickdeals.net/showthr...hreadid=655183