I recently reviewed Corel's Painter 2015 for Macworld magazine and, I must say, using the software has been the most fun I've had in ages. What a nice change from daily image-editing tasks! I literally feel more creative and energized. This version is stable, speedy, and an absolute joy to use. Using the new physics-based Particle Brushes, you can create realistic fire, hair, fur, smoke, water, fabric, and more, which is a serious challenge to do in Photoshop (and I doubt it'd ever look as good as what you can create in Painter).