Try installing F12 Alpha early

Fedora 12 Constantine - Mixed feelings
Dedoimedo: "After having tested the tsunami of exciting new releases, starting with Ubuntu Karmic Koala and having recently published a Mandriva 2010 article, also known as the Autumn Distro...

Saving the "Best" for Last - Fedora 12 (Constantine)
Jamie's Random Musings: "Fedora 12 is the only one of this series of releases which has loaded successfully on absolutely every computer I own."

Fedora 12 Alpha Announcement
Fedora: "Fedora 12 "Constantine" Alpha release is available! What's next for the free operating system that shows off the best new technology of tomorrow? You can see the future now at:...