Welcome to the forum!
Wow... she is gorgeous! I love classic TBs. Like already said, she's a little long in the cannon and straight behind. From the vid, you'll have to work on letting her stretch out her stride. I suspect she's got a nice long stride once she figures out how to use her self.
Good luck! You've got yourself one stunning horse.
If your horse says no, you either asked the wrong question or asked the question wrong
And God took a handful of southerly wind, blew His breath over it and created the horse