I suggest Tenebrix
If you can get it.
Better to mine it though, it is still mine-able using CPUs. So is Fairbrix. Also GeistGeld.
So best to just mine them until, like BBQcoin, the GPU miners return, they get on an exchange, and you can cash in.
(I have been getting 1 BTC per 10,000 BBQ all day.)
-MarkM-