More efficient shatter script:
http://www.creativecrash.com/maya/marketplace/scripts-plugins/c/fracture—2?os=windows
Might actually buy this, could make life a little easier.
Free Shatter Scripts: (Second looks more reliable)
http://www.creativecrash.com/maya/downloads/scripts-plugins/modeling/poly-tools/c/as_polyfracture/comments#tabs
http://www.creativecrash.com/maya/downloads/scripts-plugins/c/axcrack-mel?os=windows
Instancing Particles for destruction:
http://www.creativecrash.com/maya/downloads/scripts-plugins/dynamics/c/destructor/comments#tabs
This may be an interesting solution to lower-level simulations, for simple debris etc. Dynamic simulations should be used for more complex calculations such as the actual building falling down etc…