You're asking about MIG welders and my recommendation never waivers about getting the very best one you can.... because of future use - and because this is a tool you'll have for a very long time. I was reminded of this today when at "the shed" and I decided I hadn't TIG welded for a couple weeks --- and if I was going to do some - I might as well butt weld some box cutter blades together for practice. Why do I mention this? Because I bought a TIG machine - that at the time had many more bells and whistles than I might use... I bought a Miller 200 DX. Today - welding the edges of razor blades together - I needed everything that machine could muster up! Pulse - with front and background splitting...and a super steady arc... And while it took me several tries experimenting with the settings - the machine was capable of delivering what I needed and I was successful in welding them with no filler... and a bead that measured .0724 (about two hairs worth).
Just sayin' --- today was proof of why I make the "get the best you can" because you never know what you're going to do going forward.
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