I use a fuji mini mite 4. I have been using it for about 2 years daily spraying lacquers, latex paints, poly, and occasionally enamels. I have never used a compressor and regular spray systems though. I LOVE this system. I do have the small whip hose and have had to replace the consumables like filters, but using acetone for cleaner occasionally as mentioned above, this thing is one of the best tools I have.
Don't forget organic vapor protection especially when spraying oil based or any 2 part finishes, or lacquers. Even water based/borne products require protection... pick up the 3m cartridges on amazon quickly and easily.
PRS Alpha 96" X 48" w/ 12" Z
4hp Spindle
6" Indexer
Aspire 8