* Being able to add a "non-execute flag" to pages in memory and working with the Hardware Vendors to prevent executing code in a data page. (This would help against buffer overflows from a hardware level.)
* Avalon - There is just ONE driver model in Longhorn (no difference between 2D and 3D.)
* The compositing engine is VECTOR based. (Opinion: the importance of this can't be overestimated.  I would have supported a move to Vectors 10 years ago.  It's a WAY better model for UI, especially considering that the DPI of the output devices are variable. Sceens are either 96dpi or 120dpi, printers at 1200+dpi.  Remeber the Prodigy online service? They pushed vectors around.  Apparently they were ahead of their time!)

Scott Hanselman - Corillian Corp
scott@corillian.com
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