So apparently, Yanfly has been working on a new battle script for the past couple of months and its almost done! There's three videos out so far and my god, you just got to see them for yourself.
press turn battle system
atb battle system
I dont know much about the script itself but here is what Yanfly had to write about it. http://blog.pockethouse.com/2010/04/15/mel...ear-completion/
And this is about the ATB: http://blog.pockethouse.com/2010/04/18/melody-atb-preview/