or do I just want one? Here's my situation: I know that I will need one from time to time for patch panels and the like, but the need for other uses does come up now and again. My welding skills are not really good enough to call them 'skills', but I'm now to the point that I'm ready to make a serious effort to develop those skills. Currently I have a Harbor Freight Dual Mig 151, which is their 'better' model, 240 volt powered and uses the 75/25 gas. I don't seem to get consistent penetration with it, but don't know if it's the welder or 'weldor'. Some say that this is a decent machine, others say that it is useless, but I suspect many who say that it's shit have never actually used one and are making an assumption (that may very well be true). I also have an oxy/acetylene rig that I've used for heating and cutting, but have never tried to weld sheet metal with it. I've read some great threads here and learned a lot about the different preferences of mig, tig, and gas welding sheet metal, and I'm not trying to get that argument stirred up. My goal is to have something that works well and will allow me to learn, and will lat me a long time because I don't want to buy this stuff again. That said, I cannot ever see myself doing a ton of welding, so I can't justify spending a lot of money on it. So here are the options that I'm looking at: 1. Keep what I have and learn to gas weld sheet metal and learn to use the HF mig. 2. Buy a new Miller 211 mig (which currently has a hell of a promotion on it, including a free spool gun) and use it for everything. I could still learn gas welding at some point. 3. Buy a tig and learn to use that. If I go this route, I think that I would want an inverter type for mobility in my very crowded garage, plus I understand the transformer types require more juice that the 40 amp plugs in my garage. I could overcome this, but prefer not to. Anyway, thanks for reading this far through my rambling post. Any advice is appreciated.