I just realized, what every (i mean EVERY) DisplayObject in Flash now is 3D container. And this is amazing ) just look into following 3D cube and code, what create it. Very simple and very nice.
AndyOne wrote tutorial how to compile Astro (Flash Player 10) under Eclipse/FDT. Tutorial on russian, but have lots of screenshots. 
Easy way to create your own Flash Player 10 files in Flex 3. Just follow this instructions from Adobe.
ADOBE is making some noise! Read reaaly amazing news at Tinic Uro post
Tonight we dine in Hell! Joke. I mean Flash Player 10 beta appears in Adobe Labs. And looks like we all going to the world of native 3D inside Flash Player. Go grab Flash Player 10, watch videos, and even look into sources!!! And good morning to all
UPD: Sources download links dont work in Flash Player 10 demo at Adobe site due crossdomains.xml problem. Here the direct links founded by AndyOne
http://download.macromedia.com/pub/labs/flashplayer10/sampleSource/PixelBender_Sample.zip
http://download.macromedia.com/pub/labs/flashplayer10/sampleSource/NewTextEngine_Sample.zip
http://download.macromedia.com/pub/labs/flashplayer10/sampleSource/Native3D_Sample.zip
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