No, dx 10.1 just adds new methods of anti-aliasing and better support for multi gpus IIRC. All ati is adding to the mix is global illumination, which can be simulated with light maps and Ambient occlusion just fine right now :/ Ray tracing is quite a few years off from being done in games (right...
Cough*crysis*Cough
I bet you will be able to enable depth of field in the sdk or something. You can see that effect being used in a bunch of the TF2 meet the characters videos