Right now I have a hub connected to B and C. The hub is located at the far end of the 270 ft cable drop, and both computers are now working.
Now my only problem is that my conection speed is extreemly slow it almost feels like I am back on dial-up, but I am sure that I am a lot quicker than that

it just feels that way.
Is there any other way that I can speed this thang up besides Knocking down this house and rebuilding it 100 ft. closer to the cable modem?