3.21 adds nothing for movie compatibility (or game either). Although some firmware updates in the past (and sure will in the future too) will improve playback of some BDs. The only reason to update to 3.21 now, is if you use the Playstation Network, without the update you won't be able to connect.


Pioneer PDP-5020FD, Marantz SR6011
Axiom M5HP, VP160HP, QS8
Sony PS4, surround backs
-Chris