Saw these on Mythbusters a couple of weeks ago and had an I want. Imagine it. An RC life sized Dani Pedrosa!
Class I found something similar but not cheap Kyosho Mini Z Moto GP Repsol Honda RC 1/18th Scale Electric Motorbike - 30053CS | eBay
The Gadget Show did a test of them last series - they look mint! Especially the one they chose as the best... The Gadget Show | Episode 6: RC Dirt Bikes by The Gadget Show's The Gadget Show