For a cost of about $15 more for a 2000 sf house this is by far the cheapest insurance you will ever find for disaster preparedness. The company is making these nails as fast as the factory can pump them out. Currently they are available only in the Gulf states.
Check with your supplier and ask for "HurriQuake" fasteners.
Features of the super nail.
Maps of at-risk areas where will be most valuable.
See the Manufacturers slide show here - http://www.bostitch.com/xhtml/interactive_hurriquake/hurriquake_show.html
The downside is that they are designed for power nailers and they are no fun to pull out. :o - So, you better have that window in the right place. :D