Xbox 360 ISP: comcast I had *constant* caterpillar, hawk and occasional Lionfish errors for WEEKS. I found a Comcast store right down the road and swapped out my Technicolor 8305c modem for an "Arris" (which the person behind the desk said was worse than the Technicolor). Took it home, hooked it up, quick call to comcast to initialize the modem and Boom! Faster load times, no lag, no KTO. No stupid animals. It's bliss. Try it.