>Do the Heading tags still seem to be valuable in search engine rankings? If so, I have a couple of questions:
>Should you use several?: H1 H2 H3...?
>And can you correct the spacing chaos they create? Will style elements correct this? Heading tags always seem to create their own extra wide space under them, so I have avoided using them.
I do use them and they work well for SEs. They are a pain to work with and style elements can help. I don't think there are any SEs that check for CSS, so this area is very exploitable.