You can also check to see if the movies are available via Vudu's disc to digital service, where for $2, you can own the digital version instead of renting and be able to download it to &/or stream it from practically any device capable of installing an application - including: iPod, iPhone, iPad, Android phones & tablets, Xbox, Playstation, practically every internet connected DVD/Blu-Ray player and TV on the market today, the Roku, Chromecast, via your computer with OS X or Windows...
And $2 is much cheaper than the time and energy it takes to rip a movie to your hard drive and it's legal.
They will even give you 5 movies for free (a short list to pick from, but some decent choices) just for registering.