Personally BTC or PPC are you best bet. Maybe you can mine BTC, then trade it for PPC and it will rise, do the math and see. Most other SHA-256 coins are somewhat garbage, some are ok but most aren't!
Hey a friend of mine started a website called [https://cryptohashauctions.info/index.php]. It basically a marketplace where users can sell there hash rate to others. I was just wondering what you guys thought of it and the concept!