This would be a relative easy creation of extra stages. I know not everyone will like these stages as it is on a F1 track, but I think it can be a new different experience for people. The Monza track is already made for the F1 games, so a lot of the fundaments are there. I only don't know how detailed Codemasters has the old oval track and surroundings of that. That might be a point of attention, together with the license of Monza Autodromo and the Monza Rally Show. More info about the Monz