There are already more serious applications that make use of the unreal engine, i had a virtual model of the iss on my HD for a while, only i don't have a clue where i got the download from. Oh and when Unreal was first, released, wow....

Robert van der Veeke Basugasubasubasu Basugasubakuhaku Gasubakuhakuhaku!! "Better is the enemy of good enough." Dr. Mikoyan of the Mikoyan Gurevich Design Bureau.