I'd like to thank everyone for their input on 22 ammo. I've been testing any of the choices available at local stores, including the popular "lotsa" ammo. I've used a lot of "lotsa".
Hands down, the tightest groups through my three test guns (Walther SP22, Ruger 22/45 MKIII Lite, and Ruger SR22) were from "CCI Green Label" competition ammo. It was the most expensive locally at $15.98 for 100rnd "box". BUT It also helped me to win two first place ribbons in a pistol meet this weekend.