Here is a list of other helpful resources in the rc world:
rcgroups.com – Forum for pretty much every rc hobby you can think of.
rcuniverse.com – Another forum for pretty much every rc hobby. We’re pretty active on this one.
thercgeek.com – Blog to learn about anything about rc. Which ranges from flying, building and designing your own rc toy.
rc-airplanes-simplified.com – Excellent resources to learn about remote control airplanes. Like the name things are very simplified. Definitely an authority in the rc airplane world.