When a tool is selected, its icon enlarges, and the tool options appear here.
The new Healing Brush with Content-Aware Fill can remove blemishes or unwanted objects simply by clicking and dragging over the area. Pixelmator analyzes the surrounding pixels and intelligently replaces the blemish.
A Photo Browser gives you quick access to images stored in your iPhoto or Aperture libraries, if you use one of those apps for photo management.
Pixelmator includes over 150 filters, with a selection similar to those found in Photoshop, including frequently used filters like Unsharp Mask and Noise Reduction.
The interface is extremely clean and simple, without distractions so you can better focus on the image. Pixelmator also supports OS X Lion's full-screen mode.