This is a great tool for automatically backing up SCCM task sequences. It basically monitors task sequences and will back them up whenever anyone attempts to change one. It’s very good for version / change control when there are potentially multiple people working on task sequences.
I have implemented this before but can never find the URL for it when I want it, so here it is for all to see:
http://mdtcustomizations.codeplex.com/releases/view/65824