I always use v-sync, if the option is there since I use a LCD. Never used to notice it with a CRT, perhaps not required, or perhaps framerate never reached 100fps (older gaming machines)
A couple of games don't have v-sync and tearing annoys me (Vietcong 2) Probably shows up more on fps games.
A couple of games don't have v-sync and tearing annoys me (Vietcong 2) Probably shows up more on fps games.