We fly the following off the shelf (if HobbyKing have them in stock in Australia):
The Ridge Ryder
For replacement bits we order:
Turnigy 6 channel receivers TGY-iA6B
Turnigy iA10B Receiver 10CH – SKU 9114000064-0
and for batteries we use
Eneloop 4 x AAA packs from Midtown Hobbies
Make sure they have the 3rd wire for battery telemetry.