Since you're military, register for Promotive.com
Looks like the eXplorist 510 Marine Edition might work well for you. It's a little out of your price range, but for what you're getting it's a good deal... and you're getting almost $200 off MSRP for serving your country
Pretty good amazon reviews too
http://www.amazon.com/Magellan-TX051...owViewpoints=1
http://www.engadget.com/2012/07/11/m...ation-boaters/
