Just got through reading the White Paper https://www.stardock.com/products/windowblinds/whitepaper_wb3.html and found it very interesting.
I'm already using WB XP, so it will be less of a drastic change as it will be for a lot of people, but there is a lot of cool new stuff on the way, even for WB XP users.
Looks like an exciting time for Stardock and the skinning community in general.