Which O/S have you got on the two PCs? Win XP in particular makes it easy to set up a network, particularly with only two PCs. Unless cost is unimportant to you it is heaps cheaper and just as effective to forget about wireless and simply use a twisted pair crossover cable and put another NIC card in each of the Pcs. Connect via the crossover cable and use Win Xps Network Setup Wizard to create your Network. Obviously the cable connects the PCs via the two NIC cards.