+1 for the Talon rubberized grips. Have them on my full size F and they improve grip and change the hand feel from plastic toy to more that of a tool.
Would also recommend highly a holster from http://aliengearholsters.com
. I bought a Bladetech first, then spent half as much for the aliengear...and it is incredibly well made and comfortable to CCW even the full size.
Also like the Surefire x300 weapon-mounted tac light. Only wish I had a holster that would allow me to keep it mounted. This model at least has a quick release so taking it off is not so bad...