Out on 30/04/2013 in the US from Shout Factory

http://www.shoutfactory.com/node/216800

Bonus Features:
Both Theatrical & International Versions
Audio Commentary with Director Tobe Hooper
All New Retrospective with Cast & Crew including Star Steve Railsback, Director Tobe Hooper and others!
Original �Making-Of Lifeforce� Featurette
Theatrical Trailer
TV Spot
Still Gallery
And more to be announced!