I think if we were to go for an "up and comer" then this is the prime opportunity to do so.
Even with a huge trim of the squad and an increased reliance on youth we will still be one of, if not the best, squads in League One next season and we can take a chance on a well regarded young manager who's done well elsewhere. I've said before I like the look of Stockport County's manager Dave Challinor (if they don't win the playoffs as they'll probably be against Charlton in the final) and they've been highly impressive and are on for back-to-back promotions. If we were to go for a young manager, I do want it to be someone who's already had a go at managing us, and not just a random ex-player for us from the last 20 years in on the cheap.
It makes no difference who we appoint however if we don't have a DoF. The structure of the club is rotten from the top down and if we go into L1 with the same boardroom setup we've got now we won't get in the playoffs, let alone pissing the league.