On Fri, Feb 4, 2011 at 8:02 PM, mike cloaked wrote:

In the meantime it will be very valuable to see as many tests as
possible being executed on as wide a set of different types of
hardware as possible for the gnome 3 test days to maximise the chance
that the largest number or users will be able to see a working desktop
as soon as F15 is installed after release.

Are you participating in the test days?  You can use the live image.    In rawhide,  it should work on any system that is about 5 years old.    There are some bugs/ missing acceleration support in the drivers with certain series of Nvidia cards however.  Details at

https://fedoraproject.org/wiki/Test_Day:2011-02-03_GNOME3_Alpha

http://gnome3.org

Rahul