Not real cheap but Baldor makes some nice ones that I think are a fair value given the quality.
If you get one I doubt you'll ever kill it.

I forget the HP of mine, but guessing 1/2 to 3/4 and about 6" or 8" wheel, seems plenty big. For anything bigger a belt sander is nice.



1951 GMC 250 in the Project Journals
1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-