For those who travel to the Pod, you may have seen this run - not the Jet cars - a proper 'rocket' using Nitrous as a fuel.
Just down the road from me as well
http://www.twistedsanity.com/about_enter.htm
The company is launching at http://www.xtremewheels2004.com/ and from speaking to one of the lads the nitrous systems are around HALF price of what is currently available (they also have the backing of Smax Smith - 2003 Top Fuel champ)
Videos are....... interesting especially the one on the green