A floorman stands 2 feet away from the table, but I'd be more concerned with surveillance on that game, as a hunch. I can't really say much about Barona's heat though, as I usually only learn about it when I get backed off.
No idea on the pen, but I'm pretty sure they don't use a cut card, so it's probably Rule Of Whatever.
The SD tables are alternately stone dead or full with like 4 players.