Evan Williams nicely summarizes the problem of using pageviews as a common metric:

Pageviews were never a great measure of popularity. A simple javascript form validation can easily cut down on pageviews (and save users time), while a useless frameset can pump up your numbers. But with the proliferation of Ajax, RSS, and widgets, pageviews are even more silly to pay much attention to—even as we’re all obsessed with them.

From his blog, via cuene (while trying not to look like we’re brown-nosing).