Body Fat % and setting goals

At the end of this article it explains how you can set your goal unrealistically low if you don't consider your body fat % at your goal weight. It also asserts setting a goal based on measurements or body fat % is better than setting a goal based on weight.

http://www.healthchecksystems.com/bodyfat.htm

Another table of healthy body fat %:

http://lowcarbdiets.about.com/library/blbodyfatcharts.htm