Mine was about £65 delivered from HK, already had TX and RX. I guess with an entry level transmitter, receiver, some spare batteries and a lipo charger, it wouldn't be far off £200. Then you need a camera, video transmitter/receiver and goggles/screen and all the gubbins, so put aside another £200 Then you get quad envy and build something bigger/faster/more stable...
Has everyone seen the soma's warpquad videos? This guy has some mad skillz
http://vimeo.com/86291282
Has everyone seen the soma's warpquad videos? This guy has some mad skillz
http://vimeo.com/86291282