You can try a site that I use...
www.shopfreepay.com
Through them I got my XBox 360 HD-DVD player and 360 Guitar Hero 2 bundle for about thirty bucks total. You complete offers (some free trials, some cost money) and they ship you the item you want from amazon. I'm currently trying to do a MacBook through them. Unfortunately, the site I did my MacBook Pro through ($120) isn't around anymore.
There's a pretty good list of good sites at
www.joshclark.com/blog