http://www.kitestore.co.uk/stunt-kites/stunt-advanced/r-sky-nfx-sport-p-1864.html
http://www.cerfvolantservice.com/contents/fr/p1341.html
http://www.chicokites.com/store/index.php?act=viewProd&productId=97
Similar sort of price (ish) depends on what kind of discount you'll get on the HQ stuff... your choice looks sound enough though, and others have sung praises. http://www.youtube.com/watch?v=rk-zkSN8o-g (turn the feckin' sound off though. ) keep you going for a while.
Bryan