I'll report in a couple of days, I have an old XP original disk (i.e. SP1 and SP2 on separate CD's) which I used a couple of times to reformat, but not recently. Probably over a year. However it will be going on The Phoenix, as I'm calling my old PC, rebuilt with some parts out of my Packard Hell Slow Media PC and other bits I've acquired plus a nice new Gigabyte mobo.
My biggest fear is not that I'll make a hash of putting the bits together, but that XP won't activate and I'll be cap in hand to the missus to authorise £60 for an OEM XP SP2.
And I know already that I'm goping to have to call to reactivate Flight Sim - X as a result of my PC misadventures this year will be the fourth machine it has been installed on.