Although the margin widths of these uniform grid templates below do vary, each one adheres to a width of 960px. All of the templates are released under a Creative Commons Attribution-Share Alike license, meaning you can distribute derivative works but only under a license identical to the Attribution-Share Alike license. They may be used for commercial purposes, but you may not sell them.

All templates were made in CS4 versions of Photoshop and Fireworks.

Source: http://blog.robbiemanson.com/resources/960px-grid-templates/

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Robbie Manson
http://blog.robbiemanson.com/
robbie@robbiemanson.com
@rougebert