Pixelmator, one of the photo editor on Mac, is the strongest competitor with Photoshop. Pixelmator has just updated to 1.2.3 with lots of keyboard shortcuts. This is pretty important since most of Photoshop users love to use keyboard shortcuts. You can take a look of those shortcuts here.It seems very similar to Photoshop CS3. It could help users to switch from Photoshop to Pixelmator.

[via Pixelmator Weblog]