I have seen this first person.. and it is AWESOME. Tons of real-time performance in Premiere Pro and 64-bit Operating Systems. It can also be tied to a really fast graphics card for better performance. The app runs INSANELY great and will hopefully propagate through other Adobe apps like Photoshop and After Effects.
for more information on hardware, check out these blogs: http://blogs.adobe.com/VideoRoad/2009/11/three_words_youll_be_hearing_a.html http://blogs.adobe.com/VideoRoad/2009/11/more_on_the_mercury_engine.html http://blogs.adobe.com/genesisproject/2009/11/technology_sneek_peek_adobe_me.html#more