If you must have wireless, look into this: http://www.newegg.com/Product/Product.aspx?Item=N82E16833124342&Tpk=wmp600n
I have two of these on 2 different desktops, in 2 different rooms, working flawlessly for over a year! One is Vista and the other is Win7 64-bit. Each computer is about 20 feet away and the signal goes thru 3 walls. Excellent signal strength!