Pistol Grips

Not those you attach to the pistol, but how you hold the pistol. The article--"Professional Shooters Talk Pistol Grip"--at Blue Sheepdog discusses the author's experience with different types of grips, and his favorite, as well as video from others discussing gripping the pistol. The author's favorite is shown below:

(Source)

I'd be a little afraid of using that grip simply because I also shoot revolver, and could imagine getting a singed thumb if I inadvertently used that grip while shooting the revolver.