i have a pc that is situated in my parents room,to be fair its a bit crappy now. so i was going to buy a nice new one for myself and network it to the old one from one side of the house to the other so i could use the broadband and some of the files. if i was to do this without wires what exactly would i need? as far as i can work out i need a wireless adapter that connects though the pci slots and a network hub that receives the data from them and transfers it across. is this correct? and what is the best cheap wireless networking equipment to use?