I've got crimson trace grips on both my LCR .38 and LCR .22. I really like them. They're quick to get on target and increase accuracy, in my case anyway . I have a Viridian light/lazer (green) on the rail of my Beretta PX4 Storm .45. The green lazer is very visible in daylight. Lazers are expensive but I think they are well worth it on some pistols.

"We live in the present, we dream of the future, but we learn eternal truths from the past"