Went yesterday with my kids. There was a great atmosphere and a fantastic amount of people. I can see this event getting bigger so my only gripe, despite it being free to get in, is the cost of the ale.
I paid £21 for 3 small Kopparberg, a tiny white wine and a can of Red Stripe, that's £4.20 each! Fucking scandalous really.
The Food & Drink festival is the same.