First of all, yesssssssssssssssssssssssss
*inhales sharply* yessssssssssssss
I've been running a campaign of this and have been desperately longing for a physical copy of the rulebook, so I am STOKED.
As far as bells and whistles go, I'd definitely be interested in a shiny deluxe edition. Outside of that (and the already-shot-down custom dice) I'm not sure what I'd be interested in.
Getting listed in a "thank you" section of books is always novel. (Pun not intended)
Is a custom dice bag an option?
If you did a custom bureamancer tie I might very well get it, for what it's worth.