Ditto for MIG. Just can't use as big a wire or run as hot or long with the MM200. But, at the same output, wire size, etc., I am just as happy with my MM200 for what I do around the house.
As far as TIG, the MM200 uses the same Lift Arc as we used with the XMT. Again, putting aside output, duty cycle, etc., I can TIG as good with my MM200 as I could with the XMT (of course, I'm just not that good at TIGging!!).
Back to the original question - multiprocess vs stand alone.... Someone compared it to the Shopsmith. With the way I weld as a hobbyist, I tend to use one process for whatever job I am working on. There is the odd occasion where I will start with one and then change to another but it is rare. So, I set up the machine for that particular job and I don't need to make any changes during the entire job. With woodworking you use multiple tools with almost any job you do. So, you have to change from the table saw to the bandsaw to the drill press to the sander, etc., multiple times during most any job. So, you have to go thru all the setups/adjustments for the Shopsmith where I rarely ever do that with my MM200.
I am completely satisfied with the performance of my Multimatic 200 in all 3 processes. Again, maybe that is because I am just a hobbyist but it does everything that I need and can do a much better job than my skills currently allow

So, if it breaks I am out a welder completely while it is being repaired. Again, in my position that is not a huge loss. I would not expect it to be in the shop long and I don't use it every day. The only time this would become a factor is if I were in the middle of a project when it failed. But, if I had standalone machines and the one I wanted to use for a project went down, it would still need to be repaired. Granted I could probably use another process/machine but since I had chosen a particular process for a particular job, I would probably end up waiting for the machine to be repaired anyway - unless it were some time critical build/repair (which I don't have many of!!)
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