if anyone is looking for a built RTF DJI 550 with gimbal, check this out.
http://www.rcgroups.com/forums/showthread.php?t=2173603
I bought this from Bretster and realized i don't have the time for it and decided to sell it before i even attempted the maiden flight. Figured i'd rather not have to fix it before selling it! haha
^^ cool videos!