I found these via twitter. Apologies that I don’t know who took them to give proper credit. I think these were all posted on Halo Waypoint’s twitter feed.

This is the 16 console set up at the booth.
Alex ‘GoldenboyFTW’ Mendez and Bravo. Both did a great job of casting the tourney yesterday.
Here’s the set up that the casters have for this weekend’s tourney.
Man, I’d LOVE to get one of these. I was fortunate enough to get a VIP badge from last year’s PAX from a fellow who was there.

-Sal