Another avenue for this is to use Tube Archivist, which takes the approach of locally mirroring videos and serving them up in a web interface, complete with com

Another avenue for this is to use Tube Archivist, which takes the approach of locally mirroring videos and serving them up in a web interface, complete with comments, subtitles, and an index containing all the above. Definitely overkill if you just want to do a couple text searches though.