A day late on this one but just in case you haven't opened your RSS reader for the last 24 hours the final 20 application templates of the "Fantastic 40" have now been released! Full details on the SharePoint team blog:
http://blogs.msdn.com/sharepoint/archive/2007/02/21/completing-the-fantastic-40-20-remaining-application-templates-now-available-plus-more.aspx
Dustin Miller of SharePoint Experts fame is also hosting the templates for people to try out! Now you don't even have to download them yourself to see just how great they are! Here's the link to the hosted examples:
http://www.sharepointexperts.com/v3demo.htm