I had a 60 gallon, 20 year old, Campbell Hausfeld compressor that I picked up off the local classifieds 2 years ago for $200. It was slightly underpowered with 10.0CFM @ 90psi. I resold it this past Wednesday for $300. I went to Lowes and picked up a Kobalt 60 gallon compressor rated at 11.5CFM...