After registering on Coinbase I was surprised there is no way to place my order at $600 and wait for the price to drop to meet the order.
/// 4th January:
Released: http://coinbaseorders.com/Github:
https://github.com/tomholub/coinbaseordersThe system checks the price on Coinbase every second and will buy or sell if the price is right based on your orders.

how does this work in terms of intergration with my coinbase account? take to time to explain in detail ie:
1) click on: coinbaseorders.com
2) ...