1 Modem, 1 Router (NetGear WGR614), 3 cables to 3 PC\'s in the house.
Realtek Network Card, no idea which one. Latest drivers were installed today at the PC shop when he double checked and downloaded them to be sure.
Had no issues streaming at all even when they were watching youtube or something. They are usually not at home during the afternoon, and they are asleep without torrents now.