Buy some Bitcoins now at the price that you would get for your cards on eBay. Post them for sale to cover the Bitcoins and your already ahead.
But then you won't have the fun of having a crazy piece of kit in your room whirrign away kicking out loads of heat, part of the rig building/using is about the fun of it forsome of us not just the profit.
Have to admit I love tweaking things in the set-upto optimise it for both power and hashing.