I think you should get an EXI Kit and swap your electronics over to the EXI, thats the best upgrade you could ever make, you would want to buy a 11t 2.3mm motor pinion for the 3800 but the servos, esc (if its not an original eskyone
) motor and gyro can be used on the EXI, I know the stock ESky Tx and Rx would work but I haven't tested it yet to see what kind of pitch range you'd get so don't quote me on that one yet.
Another option is to get the $60 Exceed RC 2.4ghz Tx/Rx set, I just got one and as long as you use your comp when setting up the heli you can program everything that you could with a more expensive Tx system. I'll be making a vid about it soon so hold off on buying any upgrades till monday if you can. I'll have some very interesting info and vids for you by then
Exceed RC 6-Ch 2.4Ghz Transmitter w/ Receiver (for RC Helicopters & Airplanes)
$59.99 -
http://www.hobbypartz.com/exrc62tr.html