For finish work an oiless compressor and a gun that does not require lube so you won't have trouble with oil spots when trying to do the final finish- paint. I have a clear hose for finish work it does not leave marks like the old black shop hose. , . the last time i checked i could go 200 ft with all the hoses if the fittings are good and don't leak. With a small gun and a few nails a carry tank works good. We have 5 air compressors in the shop and 2 that require repair. Twin gasoline that will run 2 framing guns, Elect twin that will run 2 frame guns, 2 small carry around , and the big shop compressor bolted to a platform up 8 ft in the corner .