Dean S. Messing wrote: > : but there are a several advantages in the opposite direction too. > > I don't know of any, other than speed, but ... One obvious advantage of an upgrade is that if you try a fresh install, and it fails, you may be left without an operating system. -- Timothy Murphy e-mail (<80k only): tim /at/ birdsnest.maths.tcd.ie tel: +353-86-2336090, +353-1-2842366 s-mail: School of Mathematics, Trinity College, Dublin 2, Ireland