Something pretty burly. Like an up flat down flat rail or something like that. And it better be smooth. If you were going to sesh it all your life you'd get pretty good at being able to learn stuff on it, but if it's burly then it would take a while to exhaust possibilities.
Or maybe like a setup with a cannon box and takeoffs on both sides. Like the one in blackcomb for the orage masters last year.
Or maybe a cliff with a built-up lip? You could do so much stuff off it into pow pow