One major flaw with the game that I've noticed is the size of the Audio collection. It takes up almost 80MB of the game size, and is 4 times as large as the game itself. Personally, I almost never play with the sound on, and downloading all of the extra music is just a huge slow-down and probably painstaking for those with slow internet or dial-up. The problem though, is that you can't just delete the Audio folder, because the game will not run.
What I suggest, is that with every version of Final Story released there is a "Final Story Lite" version, that comes either without the music or with only the very basic sound effects (no more than 2 or 3 MB). It should only take a few more minutes of work per version; after you figure out the best way to allow the game to run independent of the audio.