https://www.redhat.com/archives/fedora-test-list/2008-February/msg00072.html

http://fedoraproject.org/get-prerelease
* Support for resizing ext2,ext3 and NTFS partitions during installation
* Support for creating and installing to encrypted filesystems
* Faster and more efficient yum dependency resolver
* PackageKit
* FreeIPA, an integrated solution combining Linux, Fedora Directory Server, FreeRADIUS, MIT Kerberos, NTP, DNS and providing web and commandline provisioning and administration tools.
* GNOME 2.21 Development Release
* KDE 4.0
* Firefox 3 'Minefield' (nightly builds)
* Kernel 2.6.24
* ... And Many More~ ...
Rel notes:
http://fedoraproject.org/wiki/Releases/9/Alpha/ReleaseNotes
Test status are being tracked here :
http://fedoraproject.org/wiki/QA/9/AlphaTreeTesting