RunRyder: Excellent helicopter forum, get your questions answered here.
Raptor Technique: Maintenance and flight logs, setup info, and pics, excellent site!
ArizonaHeli: Amazing paint jobs at resonable prices.
Rick's R/C Helicopter superstore: Nice place to purchase heli-specific parts and gear
Gr8lakes R/C: Not a great web page, but they have super fast shipping and the lowest prices.
Quinapoxet Model Flying Club homepage My local club.
Hobbies: Huge inventory on O.S., Futaba, and airplane parts.