I just recently started trying filming with my X100. Here is a sample movie with some different pictures in it and as you can see it doesn't handle faster movements perfectly, but closeups are really, really beautiful. Strong sunlight isn't really a problem either.
The only sound recorded with the camera microphone is the ones of grasshoppers playing which you can hear in some scenes, I'll explore that later on.
It's really great to be able to see your films in HD which the X100 shoots in.
The music is, as always, made by Bon Iver (the song is called "Calgary") - boniver.org. Do buy their latest album "Bon Iver, Bon Iver", it's brilliant!
Edited in iMovie
Shot in Loftahammar, Sweden