Maybe many of you know about this already, but I thought this was interesting idea.

http://www.cryptoarticles.com/crypto-news/2014/3/18/blackcoin-multipool-an-innovative-view-by-soepkip

multipool that pays by GHC (via trade) after PoW period is over sounds great idea.
I hope something like this to be available for GHC when that time comes.