greddy turbo kit for mx5

[Robbs]

found this on ebay and thought one of the mx-5 girls aahemm i mean boys might be interested

http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&category=72205&item=7985255882&rd=1

 

[mx5rob]

any1 know how hard this is to fit?
and whether there is any thing missing?
turbo or supercharger whats best?