Thank you schoo. I just checked it out and that looks like the one to go with

 

While I am no pro painter I can say there is certainly a difference in guns from one with better tolerances to a HF gun. I have been painting for years with an old ATD gun that was maybe $100 back in the 1980s. When I did the flake on the dash of my F1 I bought some cheapo HF guns to do it since I wanted to open up the tip to be able to spray the big flake. I used a HF siphon gun for the clear mixed with flake and the HF purple gun for the straight clear. The HF guns worked but I got much more orange peel in the clear than with my normal gun. I sanded it so no big deal but just the feel of the gun's action was much different between a cheapo and a decent gun.
If you plan on doing more than one paint job I would buy a decent middle of the road gun for the colors and keep it clean, then a cheaper gun for primers.
Eventually I want to switch to the guns with the cup on top, but my siphon guns still work ok. They do waste paint though, hard to get it all out of the bottom.

 

That's a small compressor you have I would start out on small parts at first to see how it goes. And I am not a painter but I try hard

 

I had this decision to make several years ago when I switched from a siphon to HPLV gravity feed gun. I narrowed it down to between the Sata and Iwata for top coats. I chose the Iwata LPH400 mostly because it uses less air than most other guns but does an excellent job. They are more expensive ($400 and up) than many other brands.