I just bought a new Dell Latitude D630, and am having the same wireless problem as you did.
I installed the current version of Fedora 9 (x86_64) from the website (http://fedoraproject.org/get-fedora.html
), and my computer is not recognizing any available wireless networks (at least when I click on the NetworkManager icon in the top right corner, there are no networks, and Wireless Networks is "greyed".)
I was wondering if you had figured out the solution to this problem yet?
Thanks for any help you can give me.