Thanks a lot, being able to roam around Hogwarts was an amazing experience- as much as chasing down the Golden Snitch! Can't wait to let my girlfriend try this, she's a diehard Potterhead.
I hope you will continue improving on the little things and do some more optimization, it would be a pity not to do that! I use Unity for my job, but if you need some technical and design help, don't hesitate to get in touch. :)