What an incredible release from Pixologic! Brilliant stuff!
I especially love the IMM brushes (especially as Curves!!!), the Topology Brush, the Mesh Fusion, and the QRemesher. I had a blast on this and I know you all will too! Here are some renders from a sculpt I did for the beta. Below that are some Insert Multi-Mesh Brushes that I made. Those are included in the release, along with a WEALTH OF OTHER BRUSHES.
And if you missed it, here's the release along with numerous great videos and instructional stuff:
And here's my tutorial on using some of the many new features: