This may have been a bad example for me to post today, for I manually submitted that one for indexing a few hours ago as a test. This is what one of my forum admins saw earlier for this search term 7 hours ago:
You are correct that it is one of the top results right now. I wonder if the manual indexing had something to do with it.
EDIT: I just setup the Sitemap plug-in and will submit the sitemap to Google to index!