This is what I run, and is one of the best bang for your buck for a "real" compressor.
80 gallon tank, 175psi 2 stage compressor, almost 13 cfm at 90 psi. ~$1100
Husky 5 HP 80 Gal. 2 Stage Air Compressor - HS5181 at The Home Depot
you can never have too much air or too big a tank.