More or less, I believe the profitability of altcoins is the same. Top profitable coins wouldn't last on that position a day or two. Auto Switch Multi-pools will jump into the most profitable coin with their high hashes and dump immediately, bringing down the price, increasing the difficulty, and going next to the other most profitable coin. I think this is the reason for the altcoin slump and of course the introduction of SCRYPT ASIC miner in the market. After mining some new coins, I still end up mining UTC. Can't beat the lower heat and electricity specially during this time of the year when it's getting freaking hot. I could literally feel the difference in heat. I think the lifespan of my RIGs will be longer mining this coin. And of course, the potential increase of the price is a plus.