Got my lucky fairy letter also about a week ago, it said on the enter form Jamara/Futaba/Hitec or JR/Graupner. So i would hope that it would work with a Hi-tec Optic 6
Looking at the Hitec RCD us site lastnight. And at last under the new product section Hitec 2.4ghz Spectra module. Had a good look around , but couln't find any prices on any sites at all. Have left the link to the new product section on here.
here