A few years ago a brilliant documentary was produced by Paramount and StarTrek.com. Sadly the quality of this video by today's standards is terrible.
You can see the original here:
SRS has started on the complete rebuild of this film, we'll be using the original footage chosen where possible and precisely matching it to the original. This is expected to take quite some time, but we have made a start and you can see the first 90 seconds or so now. Subscribe to our YouTube channel to ensure you don't miss the finished version later this year. The Borg Documentary - The first minute - Remastered