Here is a
Crypto Currency Rentability table (http://www.coinwarz.com/cryptocurrency).
This way you can decide if it would pay out to mine them yourself.
Here are the actual numbers about Bitcoin Mining.
Genesis Block (http://mining.thegenesisblock.com/)
A list of important Crypto Currencies can be found here:
Crypto Currencies (http://coinmarketcap.com/)
Buy, or sell Crypto Currencies:
Crypto-Currencies Exchange (https://bter.com/signup/84297)
Cryptsi - Buy and Sell all Crypto Currencies (https://www.cryptsy.com/users/register?refid=54999)
Bitcoin-Tak Magazin (http://bitcoinmagazine.com/5763/keeping-track-of-the-coins-all-the-best-cryptocurrency-websites/)
Coins-e Exchange (https://bter.com/signup/84297)
Cryptsy - Exchange (https://www.cryptsy.com/users/register?refid=54999)