I was looking into it, but decided against it... I really don't need anything right now, so why not hold off.
Some you may be interested in the fact that Discount Tire Direct has an eBay store and they have free shipping on a number of things, and you can qualify for 30% cashback from Live.com. The following thread give info on how to do it...
slickdeals link
I have done quick a bit with Live.com cashback from eBay and it works.