layouts for w3c comliance. I first skinned sharepoint, which was quite difficult and required access to system files, modifications to asp.net controls, and documenting ALL of my steps. after 50 or so complaints on its easy-of-use from content managers, I gave them a DNN demo and they loved it. Long story short, USE DNN, PEOPLE!! I skinned DNN with the same template (which took 1 hour, tops) and was able to remove almost all of the table formatting to better meet w3c. I had to do this through the source to modify library controls as well as modules, but in the end I had a product looking just like the original but without tables.

So, since everyone knows table layouts are bad, why not