Of course, many of those same examples (and more, though not all) are offered at the Adobe AIR showcase page. Still, the showcase is just a handful of highlighted examples and some, such as the WebKut page clipping tool and the XDrive app aren't listed. You can instead find those and dozens more at the AIR Marketplace. Curiously, a few of the makeuseof linked examples aren't even listed in the the Marketplace site, including the Google Analytics (still in beta), Pownce, Twhirl, or Digg ones, to name a few. (That may be old news to avid AIR fans, but I thought I'd point it out for those on the periphery.)
Given that, and for those who don't look at the Showcase or Marketplace pages regularly anyway, I thought this blog entry worth highlighting. In any case, It's nice to see outsiders picking up the baton in the AIR race.
BTW, I'm a huge fan of the site it's posted at, makeuseof.com, as they offer really valuable resource links on a wide range of tech topics every day.