I have been experimenting with sending hashpower over to NiceHash, even though I mostly mine on Eligius. With the exception of having to upgrade the cgminer in firmware, it seems to work pretty well (at least better than Pirate's GPU Max did). I am still not convinced that selling hashes to XT supporters is any worse than selling them physical miners, since anybody can buy these hashes and the seller has no control over what is done with them.