This is old news but I’ll post this anyway. (I’m so busy, it’s ridiculous!)
You can find the latest player on:
Lee Brimelow already posted some tutorials on how to get your hands dirty on creating swfs to run on the Flash 10 player. You need to update your Flex SDK.
You’ll find the tutorials at http://www.gotoandlearn.com
What I am looking forward to are the:
1) 3D API
2) Advanced Text rendering
3) Use of PixelBender (Formerly Hydra) to create your own filters