Thanks for your reply Catmambo
I'm confused as well, I've got the latest firmware on my NAS & TV.
It's really weird, I tried moving files around that I knew that played to a new directory on the NAS - The directory hasn't even been picked up by the TV. Can't see it at all...in fact, even if I create a directory with no data in it...The TV still can't see it, moving data to new directories makes the file disappear completely.
I've tried a hard reset on the NAS & the TV...still nothing, not really sure what else there is I can do.
NAS is a Buffallo Linkstation btw.