I actually liked the Quickfire best! And the twist to determine the winner - make a dish out of the leftovers - that was awesome and very instructive.
The Pop-Up concept is not anything we've seen around here but how fun. When I was doing arts and crafts I loved to design and make the prototype. Production wasn't creative. The Pop-Up restaurant sounds like the same thing.
Marcel. Well, I can't say you'll be missed. And how can you miss with Fabio at the front of the house, LOL!
Edit - reading KarmicKitchen - how could I forget! - having the diners decide, a change that has been a long time coming. Those lucky folks, they knew their food and their Top Chef (comments about the danger of doing desert).