Noted. I've got a similar setup, a 20 gallon 120V compressor that is perfect for my needs - if I had to upgrade I'd get something like the Rol-Air 5230K30CS, an electric wheelbarrow unit. 230V, 5hp, 18CFM, 10 gallons.
I had a little 5 gallon rattler and it was OK, but I could easily outrun it...