The Windows version of Premiere Elements 9 and 10 includes a number effects and transitions that are not available on the Mac version.
The Windows version includes 86 video effects and 23 audio effects.
The Mac version includes 71 video effects and 19 audio effects.
The Windows version includes 111 video transitions.
The Mac version includes 50 video transitions.
A complete list of omitted effects and transitions can be found in the sticky posted to this Muvipix forum.
http://muvipix.com/phpBB3/viewforum.php?f=89
