This Flight Simulator X "DX10" pic: http://i12.tinypic.com/49ahv5s.jpg
...is only a target render i.e. a pre-vis of what the devs hope to achieve with DX10.
Oh... good thread, jAkUp
Now, if someone would make a thread listing all the games that have native support for multithreading. You know, games that really benefit greatly from multi-core CPUs. There's Crysis, Alan Wake, Gothic 3... to name a few.