the open type i think your refering to, well there two options give someone an obcene amount of money for one or option two join the club with a bronze membership then you get to look at the tutorials then you can do it yourself and save a fortune..............plus its loads of fun breathing in the filler dust and choking lol
like this one i did earlier
http://www.micra.org.uk/threads/30454-K11-bumble-bee?highlight=