It appears Olcay has discovered the latest Intel processor roadmap available. Whether the map is authentic or not it seems to confirm the various prescott range of processors and Intels Tejas processors possibly starting at 4.4ghz speeds.
Check out the map below.
Screenshot:
http://www.olcay-its.de/images/kaigai01.gif
Source:
http://www.olcay-its.de/