I saw a post by Scott Guthrie that talked about removing the navigation bars at the top of the HTML Editor. I don’t do much HTML coding in VS but I don’t use these bars when I code in C# either (I find ReSharper’s File Structure window a much more efficient way to navigate) and the process for eliminating them is pretty much the same. Use the Tools->Options menu
When you’re done you have a nice clean editor window without drop down navigation bars. Of course in the age of 32” monitors you might not care but on my laptop I like getting back every pixel I can.