Hey it seems there's a new technique in the mirky waters known as CSS layouts, this one via ALA:
Alistapart.com/articles/fauxabsolutepositioning
Previous CSS layout incarnates for three-column layouts known as the Holy Grail are also listed at ALA.
Maybe you'll have an opinion on it, these kinds of layouts are complex, no matter what it seems, but this is a new contender then, with it's own logic -advantages and disadvantages.
Let us know what you think!