Yah. After trying to upgrade 8.3 to 9.3 and getting a thourghly messed up system (major changes between version, I guess), I copied /home, /root, /boot, and /etc (for comparison and copy-back if possible), I did a fresh install of 9.3 and got a clean system. Copied back /home, /root, and a few customised configs from /etc. /boot was completely changed because of kernel versions, etc.
Guess I'll just bite the bullet and do a clean install. A recent full backup is waiting in the wings, just in case.
Thanks for your replies.