http://gamerdeals.net/blogs/misc-cheap-deals/archive/2008/12/11/cheap-guitar-hero-promotions-coupons-redoctane.aspxHere is a quick list of Guitar Hero promos over at RedOctane.com. All offers/coupons expire on 12/31/2008 or while supplies last. FYI: You enter the associated promo code on the final screen prior to submitting your order. This is after you enter yourenCommunityServer 2.1 SP1 (Build: 61025.1)