I have used Dramatica, and most of the other programs out there (I was an assitant Literary Agent in Hollywood a little while back, now I'm an entertainment lawyer, but that's another story). Bottom line, Dramatica is the pits. It's interface is visually impressive, but it gives the impression that you only need to push a few buttons and a story structure will pop out. What the program actually generates is a vaguely-worded outline that literally requires its own dictionary to understand. Even when decoded it comes across with the pinpoint accuracy of a newspaper astrologer. Save your money and hard drive space. A better option is to buy a few books on screenwriting. I highly recommend Robert McKee's "Story," so beautifully satirized in the recent movie "Adaptation." I hope this helps.