I know I'm late to this party, but I love your Keezer. I'm doing one very similar(but my magnets will change depending on the sporting event on the 120" screen!! Detroit Lions, Detroit Tigers, U of M, Central Michigan, etc...)
I bought some black granite tile today, and it was so freaking heavy. How did you make it work? I also bought oak for the base. Then after realizing it was going to be $150-$200 for wood alone, for the entire project, I returned it and came back with some whiteboard from Lowes at 1/3 the cost.