Originally Posted by Gianakin_
No Grievous, Dooku as the main part of RotS to flesh him out more. Anakin defeating him after the events of AotC would have more gravity.
Leia getting born first.
Anakin actually killing Padme or Padme dying at childbirth because of Anakin messing with her before the Duel.
Plus, making Obi-Wan and Anakin more of a buddy cop team and showing their friendship.
No Jar Jar. Less CG, more sets and locations.