Hey SOB (It cracks me up every time I write that),
I have the HH 210. In fact I used that to build the Iron Maiden (Go ahead, check the post, I'll wait).
It worked flawlessly! In fact, I bought that to replace an el cheapo POS china welder that actually exploded on me. There is no comparison. The 210 also has some power and a duty cycle that is large enough that I could weld continuously. Before, I would weld a bit, and then stand around for ten minutes for the welder to come out of high temp shutdown. I liked the welder so much I bought their plasma cutter too...Am not disappointed. The 210 is spool gun capable as well if you are going to need that.
Also, I bought an "A" stock refurb unit from Tool King...Couldn't even tell that it had been used. It came with a brand new Miller gun, and there were no witness marks on the plug in so I don't think it had ever been plugged into the wall. When I was going over it I found a small dent in the base plate. I'm serious, that saved me several hundred dollars. Got it for $649.00 delivered to my door (at the time everyone else was over $1K). An awesome deal...here's the link, looks like the price has gone up just a bit, but still awesome!!!
http://www.toolking.com/hobart-50052...welder-a-stock
On Edit: Oh, and Morkdach is right. Miller and Hobart are both owned by ITW (Illinois Tool Works), and that is probably why my Hobart welder arrived at my house with a Miller gun on it. Some of their products are suspiciously similar...my Airforce plasma cutter was identical in terms of the layout to the miller model at the time. I have nothing but good things to say about ITW (who also made my Paslode framing nailer)...in fact, what's their stock symbol.....