Meant to add, you could ask anyone who has made their own machine for some advice, most would be happy to help from what I have read, if your looking for someone to build it for you then that's a different matter entirely & I would put up a seperate post asking for that sort of service, see what sort of response you get & take it from there but I would get a couple of quotes at least & if possible meet up with the person. As for who I really couldn't say as it's not my place & I don't know anyone well enough either.