Daniel Lehenbauer's says: "If you're watching the WPF blogs you might be seeing hints that something incredibly important is going to be announced tomorrow afternoon on the WPF 3D Team blog. This is possibly the most exciting announcement related to the 3D features in the WPF since... well, since we've announced WPF was going to have 3D features! Trust me, you DO NOT want to miss this."
OK. I'll be watching the WPF 3D Team blog today.