As of today, I've noticed that some videos still haven't been subtitled. The ones that need subtitles are the Seer and Harlequin video, the Grexus video (they're two Prophecy videos), and the video of the three Chaos Marines, which begins with Inquisitor Goslar's mission.

It would be nice if there was a way to have subtitles like the rest, since, for example, I play in Spanish, and without subtitles, I can't really understand what they're saying...