I am too...to a point. I have a laser on most my pistols, whether it be a Crimson Trace grip or a rail mounted laser/flashlight combo if the pistol has a rail. I will say, the Crimson Trace grips are nice and I never had to readjust it after 10 years of having it installed on my 1911.
That being said, I understand that lasers (namely grip lasers) are only accurate at the distance you sight it in at. You shoot at something closer than that, it'll be slightly to the left. You shoot at something further than that, it'll be to the right. Frankly though, at home defense distances (rooms or hallways), the difference is minimal and you'll still be hitting body shots. I "zero" my laser grips at about 10 paces.
Disclaimer: I do not replace pistol training and aiming with lasers. I still aim down the sights when shooting and only use lasers at night.