All the rage is wireless.
I have relatively easy access to install wire from 1st floor to 2nd floor. I currently use broadband cable.
What hardware do I need to get in order to connect two upstairs pc with two downstairs PC's. the main access I would like is for all four to have internet broadband ability. I am not terribly interested in file sharing, but that would be okay, as long as I can restrict access to some directories...
thanks