I have been MIG welding carbon steel for a number of years with my Miller Millermatic 251. Whenever I needed alloy welded, I brought it to a friend of mine at his welding shop. It worked out great and wasn't much of an inconvenience. My friend retired about 3 years ago and sold his business. I continued to bring small jobs to the new owner's shop. but it's becoming a real pain in the butt. My friend is a true fabricator, not just a welder. The new owner is younger and has outstanding welding skills, but doesn't possess the fabrication skills or degree of precision of my friend. I have been looking at purchasing a TIG welder for a few years, but $6-7k for the Miller I want is hard to swallow. I considered a used machine,. but don't have the experience to properly evaluate the machine before purchasing it. I stumbled across the Prime Weld TIG225X a few months ago. I just purchased one this morning. I have read many, many reviews and watched some youtube videos. The only complaint I found was the foot pedal was kind a crappy. The latest shipment of machines that arrived this Monday have a new upgraded foot pedal. Check out "The Fabrication Series" review of this machine:Thankfully I have a friend patient enough to show me the way of TIG welding, so we were able to get the new drag link hot glue'd together, with a few passes to preserve the tube adapter's fine threads from overheating/warping. It's probably obvious that most of my practice was on the bracket on the left, which is for my Crx rally car project. I made a few clean TIG welds, but similar to when I learned MIG they were not so smooth & slow going... but a little more than 15 minutes practice should help me towards getting my welds more like my friend's really nicely sunken smooth welds. I need to start looking for used TIG machines to start on, because I am hooked!