An REI Stratus (regular sized) camping pad. It has a slow leak somewhere, but I have been too lazy to try to find it. I think all it needs is the old soap and water trick and a patch kit and it should be good to go. If you're much over 6' it may be a little short for you; if not I think it'll be just fine. It packs down nice and small and is very comfy (when it stays fully inflated overnight). If you're willing to do a little work to fix it, it's yours for free!