Does anyone have any experience with this unit. It was made by Black & Decker, but is no longer available from Snap-on. Part #ACBL530VP. 30 gallon, 125 psi, 7.1 cfm. I have the opportunity to buy one from the Snap-on truck for $250.00 used. I would only use it for inflation, 1/2 impact, 3/8...