You've seen our favorite (below), what's your favorite root beer for a float?

http://www.bevnet.com/reviews/bevnet...B1173BA74A7D9A

I didn't know it was national root beer float day. I'll have to make one when I get home.
I think I have Sprecher, Polar Classic, and West Jefferson A&W to choose from in the refrigerator as well as homemade vanilla ice cream in the freezer.