There’s no difference between the scripts, the only difference is the delivery method.
As for the other question, I love it. My best guesstimate is the business subs are a good bet. So things like Ecstasy of Gold and Mogul.
As for the other subs, it depends on you. In another recent thread, Saint mentioned this:
That could mean that if you run a sub like Ascended Mogul or Emperor and you believe that having your sex drive under control is one of the goals that the sub should work on, then it will.
I know the feeling, I have the sex drive of a teenager. It has never distracted me from my work though. Well, unless a pretty wom…
Sorry, got distracted.
EDIT: To the best of my knowledge, there should be no duration differences. Length should be identical on both formats.