Allegorithmic have posted a video to overview the user interface of Substance Painter.
Substance Painter - Real-time Creativity
This video shows some real-time features that can be applied with Substance Painter using Substance Effects and Particle Brushes.
Allegorithmic Releases Substance Painter Beta on Steam
Allegorithmic have released the Substance Painter Beta on Steam.
Allegorithmic have released Bitmap2Material 3, their map generator software with phyicially-based rendering support.