Nothing much, only prototype….question is when can we buy one?!
http://www.infinity-hobby.com/main/newsdesk_info.php?newsdesk_id=1629
http://www.frsky-rc.com/product/pro.php?pro_id=143
http://www.frsky-rc.com/product/pro.php?pro_id=144
http://www.rcgroups.com/forums/showthread.php?t=2257301&page=1