Going for UDK will mean tons of work to do and redo, and specially for level designers (mappers) cause they will need to learn a totally new lighting engine that's completely different from the current one, that and some fracture plus liquid stuff and soft body physics and we'll be beyond awesome
Thanks hav
Actually, there is no AA, it can be forced through the Nvidia control panel for those running NChips.
What I did instead was to supersample it, using the tiledshot command, and then resized and sharpened on photoshop