Here are some good ideas, if your a beginner and don't have a lot of money.

http://www.hobbycity.com/hobbyking/s...ess_w/_4_Servo

http://www.hobbycity.com/hobbyking/store/uh_viewItem.asp?idProduct=11611&Product_Name=DHC-2_Beaver_(Bush_Plane)_STOL_EP_ARF

Here is a 2.4Ghz radio for those planes.

http://www.hobbycity.com/hobbyking/store/uh_viewItem.asp?idProduct=8338&Product_Name=Hobby_ King_2.4Ghz_4Ch_Tx_&_Rx_V2_(Mode_2)

Or, you can get this RTF. I have it and it is a great flyer right out of the box with plenty of power.
After flying it a few times, being the true hobbiest that I am, I upgraded to brushless and lipo for around $30.00 at HC and she turned into a power house.

http://www.raidentech.com/3sdj3picubre.html

Here is a vid of the stock Exceed Piper Cub

http://www.rcuvideos.com/video/Exceed-Piper-Cub-2-wmv