Here's a bit of "from the horse's mouth"...

Relating to Covenant, FilmSchoolRejects.com's Matthew Monagle writes about Ridley Scott’s comfort with messing with his “legacy”. I've seen the rise and fall of Laserdisc and VCR, noting how our perceptions of a film change with each new iteration.  With DVD, Blu-ray (and beyond), could film become a much more fluid artistic medium?