Trying to steal Vray's thunder.
I'm gonna wait for Steam version
Unreal Engine 4: 2016 Features
A short video of key features present in the 2016 edition of Unreal Engine 4. These include advanced lighting and shadows, photoreal shaders, flexible post-processing, physically-based rendering, sequencer cinematic tool, high performance VR, replay system and many others.
© Unreal Engine, 2016 YouTube Link