Hmm.... looks to me like an MH-60R. They're just coming into service and are basically remanufactured SH-60Fs with glass cockpits, upgraded weapons systems and a whole lotta meanness thrown in!
Here's the link to Sikorsky's website for the MH-60R:
http://www.sikorsky.com/details/1,,CLI1_DIV69_ETI816,00.html
Cool photos!