Fedora Marketing has now a interview with NetworkManager developer Dan Williams on the accomplishments in Fedora 8 and plans for Fedora 9 and much more.
http://fedoraproject.org/wiki/Interviews/DanWilliams
""So you bring up your mobile broadband card and tell NM to share that connection over wireless. NM might create a new Ad-Hoc wireless network, get an automatic IPv4 address, set up NAT, and advertise itself as a router for other wireless clients like Mac OS X does. Magic.""