While I can't support using either of the following to copy or otherwise illegally play the game...
 - I personally don't like keeping up with lots of CDs, so I have pretty much all of my CDs imaged on my computer, using Alcohol 120% to run them in a "virtual drive."  I'm doing that with FF7 as well.  (I'm up to 610 GB hard drive space as well, whoo 

)
 - If you search around these forums, you'll probably be able to find instructions on how to copy the movies to your hard drive and modify the registry so that it works.