Thanks for your input. I'll need at least one other DNS-325 owner to validate this before adding to the list.
I can say this is correct for mkv files, don't know for tiff.
I also had mentioned the management of .srt subtitle files by the DNs's DLNA server.
There is one feature that I would find very valuable. Not sure if it is already in the list.
The backup feature (LAN from PC to DNS) should be able to continue the backup from the point it was executing, in case the backup was interrupted, for example, if the PC was shut down in the middle of the process. Currently, the DNS window show that the backup "Failed", and reschedules the backup (in case it is configured that way) for the next date in the schedule. In this way, you may end up with incomplete backups over and over again, and so not having a valid backup at all. The "ideal" way would be that the backup would restart as soon as the PC is detected on line again.
Agree that the list is growing way to fast, and updates are coming was too slow.