Rode Microphones have like a gazillion different on-camera mics, it seems - latest edition to the very extended family is a healthy bouncing VideoMic Pro PLUS.
It has so many new features and improvements I'd get cramp writing them all out, so I'll let Ryan Burke tell us all about it...
More info:-
http://www.rode.com/
The Avila Brothers talk about their journey to the recent Super Bowl Halftime Show
Developments for Korg's instrument have been slow but promising.