I have been ripping the complete Blu Ray and as noted by others IT TAKES UP A LOT OF ROOM! So I decided to try the MKV route. My problem is when ripping a movie how do you know which is the main movie? Example This Means War has 2 main movies, I ripped both to see the difference one comes up a full 7 minutes and 1 gb larger than the other. I checked the time line on the disc and it matches the smaller main movie. Looking further into the original disc I see nothing for additional options ie alternate endings, added scenes etc. Whithout watching both movies why would there be a 7 minute addition to one of the files?