Originally Posted by EricT 
The fully extended length doesn't really bother me, as I don't extend very far myself
But was there a specific reason you chose the AB1 over the AB0?
One other thing besides capacity and height...The QR plate size for the AB0 is 2" as opposed to 3" for the AB1. The plate area can make a huge difference in how secure the camera is to the head.
Steve