You can do a few things yourself to slick up the action if you are comfortable working on the SAA (and understand how the correctly disassemble and reassemble the gun). New springs, reduced power mainspring or mainspring spacer, and a smoothing of the hand window using a Brownell's stone are just a few things that come to mind.
As good as a pro? No. But still very good, much cheaper, and a great learning experience.
As good as a pro? No. But still very good, much cheaper, and a great learning experience.