I do when they're faster than my ISP ones (27ms vs ~60ms). Every millisecond counts. Oddly enough, when I use Comcast's DNS servers the speed at which Modern W

I do when they're faster than my ISP ones (27ms vs ~60ms). Every millisecond counts. Oddly enough, when I use Comcast's DNS servers the speed at which Modern Warfare 2 connects to online games is drastically slowed compared to OpenDNS. I'm not quite sure why, but it's the most noticeable effect I've had switching over to OpenDNS.