I was just reading through the HTML 4.01 specs on script, and it said:

The content of a NOSCRIPT element should only be rendered by a script-aware user agent in the following cases:
  • The user agent is configured not to evaluate scripts.
  • The user agent doesn't support a scripting language invoked by a SCRIPT element earlier in the document
But if you do something like this:

Code:
<script type="text/vbscript"><!--
  document.writeln("<p>Hello From VBScript<" & "/p>")
  document.close()
'--></script>
<noscript><p>Hello from plain old HTML.</p></noscript>
No browser seems to diplay the noscript section. But it should, right?