CSS Positioning Tutorial
The BrainJar.com CSS positioning tutorial puts my wimpy lab to great shame as it actually tackles the finer points of postioning with some really diverse examples of common positioning technics. Even those well-versed in the ways of the CSS will probably find some nuggets of useful information.
via: (after an extensive, painful, battle -- I'm not sure if I've won the war -- knock down drag out fight with IE5.0, finally I found a solution, and this link, at the ever-spectacular) Position is Everything.net.