If you want to learn UDK's basics, there's the free 3D Buzz tutorials available on the UDK's site (http://udn.epicgames.com/Three/VideoTutorials.html). If you're like me and want to save some money for the more in-depth tutorials, they're a good alternative.
$15m seems rather steep! " It does cover the UDK assembling side of things as well, but the techniques could translate to any game engine out there with a similar grid system." I take it the tutorial doesn't cover Facade, then?
3dmotive.com has a $15m 50 minute video by Tyler Wanlass about modular creation inside of the Unreal Developer Kit. "In this tutorial we'll be talking about creating modular assets that are on the grid and highly reusable. We'll then be using Photoshop to create a detail texture sheet that we can use to quickly and…