I have found a very nice tool Link Shell Extension, it provides for the creation of hardlinks and folders cloningso you can
- make a clone of your vanilla M2TW installation so when you install any mod it don't mess your original
- have a diferent folder for each mod you like to play
and the best it take a very few space in your hard disk
here it is
Code:http://schinagl.priv.at/nt/hardlinkshellext/hardlinkshellext.html