It looks like the folks at Airtronics are going to offer a Futaba/Hitec 2.4Ghz module bundled with the RX700 7-channel full range receiver:
http://www.hobbypeople.net/index.php...-w-7ch-rx.html
You'll be able to run Airtronics 2.4Ghz receivers from your Futaba 9C or Hitec Optic 6. Given the quality and affordability of Airtronics receivers, this is definitely a cool option!