After all now learned, I think I'd start from scratch when this system acts up again
Recycle it's case, cooling system, and PSU.
Ditch the AMD MB and CPU.
Upgrade the graphics card.
Get a NAS for external storage, fill it with SATA drives, and do a RAID configuration on them.
All that's left to do now is finish backing up to the new install.
After that, will donate to this great site
and then, if I win the Lottery, begin that dream new build
Thanks, guys ('n' gals, if appropriate!)