These last 2 weeks really are important for them to learn manners from their momma, however, if they are running over her and she's not able to put a stop to their nonsense it probably would be best for you to go ahead and get them. Just be prepared to be the surrogate mommy and teach them to be good canine citizens. Puppies are very active, but at 10 weeks they can learn so much from you if you are consistent with your rules.
Whatever you decide to do, I'd make the decission based on what's best for the boys, not the ex.
Oh and be sure to post pictures ASAP!!! Love puppy pictures!!