RE: 2.4 RC radio
Airtonics has the RDS 8000 that sells with 2 receivers for $229.
[link]http://www.hobbypeople.net/gallery/751711.asp[/link]
This is really a great radio and I really enjoy it. I reviewed it for RCU not too long ago.
[link]http://www.rcuniverse.com/magazine/article_display.cfm?article_id=995[/link]
Ken