Here's a restaurant environment I created in UDK. I wanted to (show it off and) say a quick thanks to some people here for your help, specifically with the materials editor and Matinee.
Some hi-res screens with DOF to do it a bit more justice:
I blogged all the development, so feel free to take a look here if you're interested: http://thereelconverted.wordpress.com/
It's currently a 1.0 so please leave me some feedback if you like it, or any suggestions for improvements please do make them!