I've been through many dancing boards and none compare to my 1/2 dance, not only is it a great board, they are a great company too.
The Loaded Bhangra is a popular one, so is the AmWood 1/2Dance.
LBL has a few decks that are good for dancing, too. I'm not sure exactly what they're riding, but I'm pretty sure it's a Bustin because of their shirts. What you want is something around 48" (or longer for less freestyle and more straight up dancing) with some flex and carvy trucks. I built mine, it's 50" long and made from 4 plies of 1/8" Baltic birch.
I prefer the more dance oriented decks because of the wide efp (effective foot platform, where you can stand).