Sounds like a good idea, but if there's something wrong with a configuration that would bring the whole system down (not hardware related), then I'd rather do a reformat and reinstall even if it takes all weekend. I do it anyway, at least twice a year.

Poser 2, 3, 4, 5, 6, 7, 8, 9, 10, Pro 2014, 11, 11 Pro