Most 22 pistols and rifles like particular brands of ammo. Especially target pieces. I mean, most bulk brands are ok for casual plinking but if you're one of those guys who compete in conditions similar to shooting the arse hairs off flies @ 50 yards then you'll have to buy ammo in small batches, test and record your results and stick to the brand that your gun likes the most.
For daily plinking I like PMC Sidewinders. It is one of the few brands my S&W 41 functions with. For (trying to) put 10 bullets into 1 hole I like CCI Standard Velocity.