SpartanFX on 14 February 2009
this comes from tidbits on sony bend website.
http://playstationlifestyle.net/2009/02/14/syphon-filter-sneaking-on-to-ps3-soon/
it says mocap has been done for loghan(the main character of the game) by a famous company already for syphon filter 5.
if true then awesome.