For the record, here's what my pairs are doing right now:
http://ball-pythons.net/forums/showt...not-so-awesome
And I have no idea how to tell if a female is going to ovulate or not. Just based on the frequency of locking, I would have guessed my piebald female would have ovulated last season, and my het lavender girl would have to wait another year. But they switched it up on me, and I ended up with a lavender albino instead of black pastels het for pied. I guess that's okay....