I am in the process of purchasing a new spray system, and am undecided between a remote pressure pot and cup (assuming less weight and easier access in tight areas). I'm also concerned about the additional clean up of hoses with pressure pot setup.
I am not a production shop, only construct cabinetry and custom furniture for my remodeling customers (for now). I'm also torn between the Asturo and DeVilbiss gun, and wonder if my shop compressor may be slighty undersized; 5hp, 60 gallon, single stage, 11.5cfm @ 40psi.
For guns, I prefer the DeVilbiss JGHV 531.
A typical Asturo gun needs only 5 to 6 cfm at around maybe 20 psi.
In a two-gallon pot, a half gallon of solvent is about all you need to clean the pot, and you can reuse the the cleaning solvent if you clean it properly every time. Be sure to clean after each day's work, or upon changing the materials being sprayed.
I don't know anything about Asturo guns, but have always been a big DeVilbiss fan. Where I work at we just purchased four of the C.A. Technologies HVLP spray guns for my NGR/toner stain booth and they are working great so far. For the price, you may want to look into them. The saying you get what you pay for doesn't apply with these guns; they're better than that.