toshiba 14xx laptop here with a DWL 650+ card. Works fine with the 3.0 beta drivers. Don't even have to shut down the Airplus Utility. Got an error the first try, then shut down the airplus utility. Just fired it up with the utility on and it works!
xp pro - service pack 1a
New 650 3.0 drivers:
http://support.dlink.com/products/vi...d=DWL%2D650%2B