As its name says it tries to mimic effects produced by the perception from either human based, camera or photographic film.
The major changes are related to a 10% speedup (even more in some nodes), improved compatibility with Nucoda, Vegas, and Composite, and the new perceptual based stereoscopic reconstruction.
We'll also launch a summer promo: 25% off until July the 25th!
In the next link there are more info and 3 free video tutorials covering all the features.
Motiva RealPerception: http://www.motivacg.com/en/realperception-ofx/