The future of PC gaming is looking very good and with the ability to instantly turn people into whatever, Unreal Engine is at the forefront of our future. I am a big fan of Andy Serkis also and how the dickens he has never won an oscar is beyond me.
Ray Tracing - Instant character animation.
And I might as well add this here as I haven't seen this before.... The Unity Engine interactive demo "The book of the dead is jaw droppingly good. I really hope to see these techs sooner rather than later.