Over the past few weeks, I updated all my machines from FreeBSD 6.4 to the latest FreeBSD 8.
Upgrading FreeBSD has always been a bit of a pain (even makes me miss linux here and all its binary distributions) as I do not have physical access to most machine and always do so remotely.
I found this great site:
I followed all the steps gron from FreeBSD 6 to FreeBSD 7 then FreeBSD 8.
Painless upgrades; all remotely !