As promised you can now download these from here in this website.  The full list of presentations available/coming is as follows.  As ever we welcome your feedback and again would like to thank all those that attended at GDC.  We were pleased to note that we had more people at the presentations this year than last and each presentation generated a lot of follow up interest.  If you would like to see similar such material then please let me know and we will arrange to make more available.

NVIDIA FX Composer 2: A Comprehensive Shader Development Package
[download] Slides (PDF)

GPU Optimization with the Latest NVIDIA Performance Tools
[download] Slides (PDF)

GeForce 8800 OpenGL Extensions
[download] Slides (PPT)

NVIDIA Demo Team Secrets – Cascades
[download] Slides (.zip + movies)

NVIDIA Demo Team Secrets – Advanced Skin Rendering
[download] Slides (PDF)

Real-time volumetric smoke using D3D10
[download] Slides (PDF)

Soft shadows using hierarchical min-max shadow maps
[download] Slides (PDF)

How to make use of Direct3D10 now
[download] Slides (PDF)