One more thing about the Holy Grail of CSS layouts

Using the technique explained here ( yes, it involves negative margins and is a pure hack) http://www.positioniseverything.net/articles/onetruelayout/equalheight.html
I completed our solution of the grail and now we have equal height columns.

So here is the grail in its entire glory:
https://googledrive.com/host/0B0pX21g4KS9Da3c4bnZKZEtPdGM/Equal_Height_Grail.html