Thanks for the link. With 15% difficulty increase or more there is no break-even at all with either Cryptsy mining contracts or pbmining.com
Neither with any of the current mining hardware, unless bitcoin's price increase considerably. And these are still several times more profitable than the mining contracts, especially Cryptsy's.
Unless you're a big mining farm which can buy them at half the price and who has access to cheap electricity, or you're a long term holder who's quite bullish, there's no way to profit from mining. It's a shame, really.