My backup server has been a pain for years because it has an Adaptec AHA-2940U2W SCSI card along with an Adaptec AHA-2944UW SCSI card. Ever since the "new" aic7xxx module, that has meant booting in expert mode and manually selecting the appropriate driver (aic7xxx_old). On a lark, I tried booting this machine from the "notorious" FC2-test2 disc 1. Not only did it boot properly, but it figured out the SCSI cards well enough to get me to the disk partitioning menu (where I stopped because I'm not ready to install a test release on our backup server).
With more results like this and being able to successfully configure SMTP authentication with postfix under FC2-test1 where I couldn't with RedHat 9, I'm really looking forward to this being ready for general use.