That's a bit weird, though, as my demo included a file in "/data/Video/Family Guy - Season 4/12 - Something or other.avi"

zerojay: using microb or Opera? Playing through the web browser or Video Center? There are certainly a number of bugs in Opera/microb/Video Center with non-alphanumeric characters in URIs - I thought I'd worked round them, though :-(

Your evidence is fairly persuasive, though.