I've read great reviews on them. The 50A models are rated for 3/4" cut and cost 2/3 as much as a Hobart, Miller, etc rated for 1/4" cut... even if you have some headaches initially, you'd have to buy the machine 3x over to have spent what a comparably-rated name brand unit would cost you. I have definitely read of some people having problems; but never one that wasn't taken care of with superb customer service. I ordered one of their scratch and dent 40A DV machines with the "turbo" ( <img src="/forums/images/graemlins/rolleyes.gif" alt="" /> ) upgrade last week for $450 shipped. Its the best excuse I could come up with for buying a bigger air compressor. <img src="/forums/images/graemlins/lol.gif" alt="" />