Tritin Multimedia just released a very short trailer on Youtube of their new film project: Quake Arenas. They are using the games Quake III and Doom III for it.

Tritin has been making Quake and Doom fan media since 1998 and their works have been displayed in SPIN, PC Gamer, DVD Gamer, and PC Zone magazines and also featured at QuakeCon 2001.
Some other movie work can be found here.