Has anyone looked at this Jaycar boost controller - the Independent Electronic Boost Controller?

http://www.jaycar.co.nz/productView....t&form=KEYWORD
http://www.jaycar.co.nz/productView....6&form=KEYWORD

http://autospeed.com/cms/title_The-I...1/article.html
http://autospeed.com/cms/title_The-I...2/article.html


Apparently you need the hand controller to adjust it as well which isn't cheap... but it looks like quite a good cost-effective option for an EBC?