I bet that you can fast forward development some. If you keep doing certain tasks, I think that you could drive development.
I'd never want to fast forward maturity, however. She can learn all sorts of stuff, but I wouldn't cut her childhood short for anything. Those Doogie Howser parents make a big mistake, IMHO.
EDIT: The 50 first words is not a bad idea. Currently she squeaks and says "coooo" "mwaaaa" and "agoooo".