I wish I could remember this.
I have just spent 3 hours, 3 precious hours, trying to get my x60s to connect and stay connected to my wireless network.
Lenovo recommend that one uses their Thinkvantage software to connect to the net. I have patiently waited the 3, 4 or even more minutes for a connection; for no readily apparent reason the connection would drop after a variable number of hours (while my Axim stayed connected). Sometimes i could re-establish a link and sometimes it would take a restart of the notebook.
Out of frustration I decided to turn on Windows wireless handling – connection took 20 seconds!!
I am not complaining, there could well be a software upgrade that is needed, I shall just take advantage while I can.