Rey Kroona has an excellent site focusing on HDMV development with Scenarist. Well presented, informative and contains a growing number of video tutorials complete with narrative, which I've always found are a good way to learn. This is a must-see for anyone learning Scenarist HDMV.
http://www.reykroona.com/
Here is Rey's tutorial listing to date:
Blu-ray Tutorial 1: Understanding Designer PSD Structure
Blu-ray Tutorial 2: Installing Sonic Designer PS
Blu-ray Tutorial 3: Basic HDMV Menu Using Photoshop and Designer
Blu-ray Tutorial 3 Part II: Multiple Pages Per IG
Blu-ray Tutorial 4: Using After Effects to Create Animated Buttons with Designer
Blu-ray Tutorial 5: Setting Up HDMV Flash Viewer
Blu-ray Tutorial 6: Basic Blu-ray Authoring in Scenarist HDMV
Blu-ray Tutorial 7: Ripping Blu-ray Discs for Scenarist
Blu-ray Tutorial 8: Burning BD-R/BD-RE for PS3 with Scenarist
Blu-ray Tutorial 8 Part II: Burning DVD-R for PS3 with Scenarist
Blu-ray Tutorial 9: Multiple Buttons per BOG in Scenarist
