Oh that's the whole point, trying to blend the new ideas in with the same style
Wizards an Witches would still live apart from the Muggles and most likely cling to the old fashions an ways
An magical creaturs like the "Great White Sewer Crocs" would augment things to give the American feel
Imagine Hunting the Deadly Chupacabra out west?
Of course we'd have to keep a tight control on how far things go but I think with the right group we could