I am going to have my new comp in my room and i need to have wireless internet connection with the modem downstairs. So whatexactly do i need? Router, card and USb adapter? Also Frys has a wireless G cardbus adapter for 19.99 made by Airlink. Bestbuy has one from linksys for 59.9 plus 10$ mail in rebate. Is the airlink one ok? Frys also has a d link wireless g router for 39.99 is this ok> Then what else would I need... can you mix the adapter from linksys witht he router from dlink?