Well...brace your self, someone at ubisoft as pretty much lost their job, or atleast is well on their way to...2 gigs worth of UNANNOUNCED games have been released (well...leaked)
some noticable mentions;
Far Cry 2
Prince of Persia 4
Naruto 360
Assassins Creed (GUI!)
Splinter Cell 5
Star Wars PSP
Teenage Mutant Ninja Turtles PSP
Lost
Rocky PSP
I'm gonna try and get my hands on a copy of that RAR file...