There is nothing wrong with 72Mhz radios, especially on an inexpensive RTF plane as most are really not suitable for any future planes, (even the 2.4Ghz radios on cheap RTF planes)
F4U is not, even remotely, a beginner plane.
Quite a few people have had success on the Hobbyzone Super Cub:
http://www.redrockethobbies.com/Prod...100&Click=6136