Cryptok allows you to check different Crypto Currencies at once. With a really simple interface and a easy-to-use functions you can check how is your money going.
Some functions are
+ Bitcoin, Litecoin, Pepecoin and Namecoin real-time values.
+ Auto-update
+ USD, EUR and BTC representation
Future implementations
+ BTC-E API implementation
+ OKCoin service
+ Personal BTC-E account