Look at some of the pictures in Snowboard Equipment -> Boards -> Show off your setup that you're using for the 10/11 season.
You'll see that very few people bother to match brands. A lot don't even worry about colours. The important thing is to have your boots (or one of them anyway) with you when buying bindings, if you're at all unsure.
I told my kids, "Someday, you'll have kids of your own." One of them said, "So will you."
-- Rodney Dangerfield.