I have a really nice air brush booth that takes care of most fumes. So im not worried about the enamel. The purpose for the acrylic primer isnt to reduce the smell in my case, its just that i need to move on from spray cans  since its like 30 degrees outside lol. I just want a easy to use primer.  It seems easier to use vallejo since i can just squirt it into my brush. I was also thinking about buying Mr. Surfacer 1200 and its thinner, then compairing