I purchased a Sony Google TV and well, my room mate refuses to upgrade to HD.. so we are currently using a comcast box that only has RF out.. We have it working with the built in tuner on the TV but i would like to not have to pick up the comcast remote to switch channels. I also bought a display model so i have no manual. I was wondering if there is a way to go straight from the RF cable coming into the house, skip the comcast box as it does not have HDMI out, and get some kind of converter that will interpret the RF coming into the house and spit out HDMI so that i can watch TV right from the googleTV interface as oppose to changing the channel on my comcast crappy box..