I have a Matco bench grinder with the multi-tool attachment. Even thought it is one of the smaller ones, it works great. Another Craigslist find.

I have a stand-up 2 in wide belt sander with a HD baldor motor and heavy pedestal. It is the tool I use the most and is fantastic for fabrication and weld prep. With a 36 grit belt it takes things down in a hurry.