Welder advice - where to start

While I am not a very experienced welder, the Hobart wire feed I bought helps me do what I need. I bought the Hobart 180 230 volt wire feed and am running it with solid wire and argon shielding gas. I just looked at the Hobart site and they no longer offer the 180,... It has been replaced by the 190 as the smallest 230 Volt wire feed.

Even with my limited experience, I have been able to reduce power and wire speed to spot weld some pretty thin pieces of sheet metal. I was also able to bump up power and run a little thicker wire to do a nice job of welding some 1/8 steel bars into a drain cover for my shop floor drain. I have been pretty happy with it and it seems adjustable enough to do a variety of things. I bought mine through Tractor Supply when they were having a good sale.

I'd like to learn how to tig weld, but as Rusty said,.. they are expensive, and I can't justify the expense for the little bit I need it. They do seem to be the best option for controlling heat and welding thin materials.