The onboard video is very impressive but I can't get it to recognize any other video I give it! I tried all the samples and I even used mencoder with -oac copy and -ovc copy and it won't play anything except its own (and I refuse to run their software because (a) I don't use Windows and (b) I want Neuros Recorder videos to go straight to it without hassling)
mplayer plays their videos just fine and reports them as XVID
users of Samsung i6 and i85 would probably have the same issues.
update:
Samsung says "Xvid MPEG4 (Other video fi les have to use Samsung Converter S/W)" at ...
http://www.samsungcamera.com/product/pro_view.asp?prol_uid=4150&cat_uid=12Methinks they doth claim too much