I bought a 5 hp 80 gl 15CFM comp from Tractor supply to do anything from lugnuts to sand blasting. Paid through the nose $1100, But I got an INGERSOL RAND SKU 3496129
http://www.tractorsupply.com/webapp/wcs/stores/servlet/ProductDisplay_10551_10001_35688_-1______14151%7C14152%7C14169%7C35688?listingPage=true&Special=false
it should out last me. Spent another $300 on hoses, regulators, wiring to house etc....
Overkill probabliy, will it do what I want YES.