Apple has announced that Snow Leopard (Mac OS X 10.6) will be available on August 28, 2009 as a $29 upgrade. Many of us Mac users are excited about this because of the improved performance and stability that comes with this release.
Along those lines, our photographer brains might be wondering about compatibility with existing Adobe apps, specifically Photoshop CS4. John Nack has posted about this issue on his blog and points to an official Adobe FAQ.
Photoshop CS4 users on a Mac might want to take a peek.