Check out the latest SharePoint Buzz on SharePoint 14.
SharePoint 14, SharePoint 2010 or SharePoint 2012. The next version is a long way off by any name
Wonder What's Coming in Next Version of SharePoint?
SharePoint vNext – Rumours, Speculation and Confirmed Features
SharePoint 14: Everything We Know
SharePoint Conference 2009
Arpan Shah's Interview and Answers regarding '14'
No SharePoint 14 for you this year
Joel Oleson is writing a SharePoint 14 Book