up until today, i had comcast 12mbps/tv. i cancelled my tv and the internet went up to $60/mo. i told them **** that, downgrade me. they did. the only lower plan is their economy internet for $40/mo. below are the speed test between comcasts $40 plan and my FREE usb tethering from my iphone4. comcast iphone 4 3g service so, for now ill be completely cancelling my comcast service. thank god for my unlimited phone plan.