Apple Thoughts: Upgrade to Aperture 3

"Last week, Apple released Aperture 3, a major new version that offers "over 200 new features," according to the company's Aperture page. Before you rush to upgrade, though, you might want to check out Apple's Support site. Apple has already posted more than two dozen Knowledge Base articles citing various problems that you may confront with Aperture 3."

You can find more about the upgrade at Apple's Aperture page, and if you are curious as to the reported problems you can scan through the list here from the support pages. Two of the major topics are Memory Leaks and Aperture not showing up in the Media Library. You can also get troubleshooting tips from Apple at this page.