I've got a 2.4GHz transmitter, receiver and charger for sale on ebay, as well as a micro 40mhz receiver.

Transmitter
http://cgi.ebay.co.uk/ws/eBayISAPI.d...m=250405255865

Receiver
http://cgi.ebay.co.uk/ws/eBayISAPI.d...m=250405259650

Charger
http://cgi.ebay.co.uk/ws/eBayISAPI.d...m=250405262146

40MHz receiver
http://cgi.ebay.co.uk/ws/eBayISAPI.d...m=250405266462