I'm such a mod-junky I keep a copy of fully-patched MTW:VI in a spare directory, with no save games etc, and DON'T PLAY IT, just so I have a quick, easily accessible template to copy across to a new directory for each new mod. I must have half a dozen different versions now (HTW, Nap TW, Samurai, PMTW, Ancient (twice - one to test installs ), XL, BKB, American TW) okay, nine mods, plus vanilla, plus my 'spare'