Here you will find some Links for sites than I like and use.
Knife Edge Forums - Use these forums for Searching about RealFlight related things.
Knife Edge Swap Pages - Here you can find Planes, Helis, and Color Schemes to download for RealFlight.
Free RealFlight G4, G4.5, G5, and G5.5 Add-On's from Knifeedge.com - Here you will find the Free Add-On's Knife Edge has released for us who own RealFlight G4, 4.5, G5, and G5.5.
Todd's Models - Todd's Model's has the best deals on electronics. "Putting the charge into flying since 1998."
HeliFreak.com - The best Forum to ask and answer R/C Heli questions.
Horizon Hobby - Here you will find E-Flite, Parkzone, and other products that Horizon sells.
Tower Hobbies - here you will find Hobbico, Heli-Max, and other realated products that Tower sells.