Eastwood just came out w/ a couple of MIG welders that look pretty solid and are totally affordable. There was a quick blurb in this months Classic Trucks magazine.. I'm thinking about getting one myself.
Heres the links:
$299 -
http://www.eastwood.com/mig-welder-1...5a-output.html
$499 -
http://www.eastwood.com/175-amp-mig-...spool-gun.html