-Get a copy of Taunton's "The Toolbox Book" http://www.amazon.com/exec/obidos/tg/detail/-/1561580929/codesmiths/

Lots of other people's toolboxes, lots of advice on how to design them. A rigid plan is no use, as everyone's needs and toolsets are different.

-This issue of Woodsmith might have what you are looking for. Take a look at the picture on the front cover...

http://www.backissuestore.com/backissuesstore/wsback85.html

-Lee valley have a good set, and the woodworkers magazine
(http://www.woodonline.com) Arts and crafts one is very nice, but crudely executed (exposed tenons are covers for screws underneath - blechhh.)