How to customize Landing Page Headlines from search query

I just stumbled on this gem this morning over at Search Engine Roundtable about dynamically creating your landing page with actual search keywords. See Passing Query Phrase into Document Landing Page, which provides a brief commentary and link to a related thread over at the Search Engine Watch forums.

This is definitely something that would be worth testing for 90% of people out there. In most cases, my guess is it would increase conversion rates for many.