Gabby's officially off and not looking back. Once she got the balance thing down she started walking and hasn't stopped since. We even try to hold out our hands to help her over something or down a slope and we're batted away because she's such a big girl and wants to do it all on her own :)
She's now loving being outside walking because she can go anywhere and explore. Now that the weather has cooled down we will have a fun fall exploring the outdoors.
Here's a video of her walking outside on 8/20/12: