Trilogy is a 85 minute CG animation being released on DVD and Bluray on March 25th in Japan, and will retell the story of the //G.U. games, with a new level of cinematic detail beyond what can be done in a PS2 game.
Trailer:
http://www.youtube.com/watch?v=k1fBQEU4HeY
Thank Knight2 on HongFire for the info. The high-res trailer
link is here