After spending a few hours debugging HitBox page attributes by using "View Source" and digging through the HTML markup, I whipped this together: Drag this link to your browser's bookmark toolbar: Show HitBox Inside this hyperlink:
Simple enough. I wonder if this approach would work for WebTrends or Omniture as well. If anyone has any examples, post a link.
Update 6-19-08: WebTrends link also available.