BitcoinNow - Realtime Bitcoin Info On Your Menubar

This app lets you see realtime bitcoin price information in your menu bar that runs at the top of your OS X screen. Keep track of bitcoin in the exchange of your choice any time of the day and have peace of mind. You have the option of choosing the exchange ( Coinbase / BTC-E ), frequency of updates (up to a limit) , and even remove the icon if you want.