On Wed, 12 May 2010 08:49:01 -0500, DanG wrote:

The only thing that does a good job with latex is airless. There
are no compressor driven systems that do well pushing latex paint
without extensive thinning.

The most capable airless sprayers are driven by compressed air. They can
spray very thick coatings such as concrete block filler without thinning.
You can connect several spray guns to them and use them at the same time.
Electric motor powered sprayers cannot do this.

http://www.drillspot.com/products/34...ump_Outfit?s=1