http://www.bigsquidrc.com/2-4-ghz-ra...tter-shootout/
Could try this...
http://www3.towerhobbies.com/cgi-bin...?&I=LXWRP3&P=7
Couple of companies have been adding these to there RTRs.
You can also pick up a DX3S off eBay for cheaper; usually they are from a kit that has been chopped.