this:-
http://www.t9hobbysport.com/frsky-xj...smitter-module
and this:-
http://www.t9hobbysport.com/frsky-x8r-receiver
These will get you going and no need to upgrade at a later date!
The tx module has 100mw of power and the rx will do s-bus for future if need be (naza etc...)
I wouldnt waste your money on anything else to be honest, the fr sky stuff is proven to be rock solid.