Totally psyched for this. I've been going over the last three seasons again and it's just so wonderfully layered. Absurdly convoluted ways around problems that didn't need to exist in the first place. I love the recurrence of characters as well.
I'm often torn as to the authenticity of this show, though. I know Nathan's said there's a lot of material, including entire projects, that never see the light of day because someone twigs half way through, or it doesn't go in the right direction, but I do sense people are playing along sometimes. Particularly when it comes to repeat characters. Surely Brian Wolfe knows exactly what's going on but he's popped up a few times. So that does make me wonder. But the whole thing is filmed so well and executed with just the right amount of mockery and humanity, I don't find that oppressive.