seems asus made up a new version of the utility which does support WPA/WPA-PSK TKIP/AES

myself i can't get the WPA settings to apply it gives an error..

find it here if you want to test it:

http://files.wl500g.info/asus/wl120g...ity2.2.0.3.zip

ps. i could not find this utility anywhere at the asus site..
so assume it's an Beta version