I decided to try out the preupgrade install for a non-important (kids system) upgrade from F16 to F17. Just to see how it works. Well it all went well except for a couple things:
1. For some reason when the upgrade was complete it didn't auto start autofs. Not a big problem just reset the systemctl enable autofs.service and a reboot and this time it was working.
2. When rebooting it still has the F16 (kernel-PAE-3.3.6-3.fc16 & kernel-PAE-3.3.7-1.fc16) kernels listed in the grub menu defaulted to kernel-PAE-3.3.7-1.fc16. OK so I select the kernel-PAE-3.3.7-1.fc16 and during the sign in for the encrypted drive it shows a kernel-PAE-3.3.7-1.fc16 kernel, but at the login it shows kernel-PAE-3.3.7-1.fc17 kernel. When I run uname -r it shows 3.3.7-1.fc16.i686.PAE. So what kernel is really running? Yeah I guess its 3.3.7-1.fc16.i686.PAE but where is 3.3.7-1.fc17.i686.PAE? Should I uninstall kernel-PAE-3.3.7-1.fc17 and then reinstall it?