Been Flying Futaba 25 years I have Had all the Futaba Flavors 4,6,7,8,9,& 10channel from the AM 4ch to 10xcap 72mhz (Favorite ) to top of the line 9Z (I still cant program it!)...When the Question came up 2.4 Ghz I researched all , reliability Problems , Ease of Programming , Internet Feedback ... the winner Looking at All mentioned + Price It wasnt even close ...the Aurora 9 Has the best reviews... Best Support and Is most liked, (So far) No buyers remorse ... I bought the first one In my club ,and after 50 or so flights (my 38% QQ somenzini -big plane ) I am still happy ... The smallest reciever 6ch $50 at tower Has battery Telemetry ...So it is pretty inexpensive to upgrade the ( older & smaller ) planes .... Nachman