http://westwoodfarms.netfirms.com/Milkers.htm
His machines are great, I have one that I take to shows since it is portable, but defiently a workhorse that can work on the farm. They are nothing more than air compressors that suck instead of blow

What's great about Westwood is that he helps you through the breakin process and fixes anything that goes wrong, he never tires of emailing you back no matter how innane the questions get. Guess how I know this???
Mine is a put together kind myself, with a used vacume pump from a refridgeration company, a simply motor, pully. This is all mounted on a nice cart from Tractor Supply. My hoses, inflations, shut offs etc, come from Partsdepartmentonline.com or Paul Hamby on ebay. My Delaval can came off ebay and my lid and pulsator are from Paul. Hose clamps, other hoses, vacume gauge, air tank (which is just PVC) and other odds and ends are from Lowe's.
Milking machines are alot like computers, you have to use one to even see how it works. But once you have one, you can then rob this part to make another one. It is not logical how they work, it just does.
Thankfully gone are the days of the 1500 dollar machine being all that a beginner could hope to have, you can put them together for cheap, certainly under 300$ if you scrounge, or pick them up. With so many folks getting in and out of the dairy goat business quickly, there are always machines up for sale.
Just remember that the 'machines' on ebay do not have their motor or vacume pump! You also have to replace the rubber gaskets, inflations and hoses, so don't even bother buying them if you don't have to. Vicki