F1's biggest teams have scheduled a meeting in Stuttgart next weekend to discuss the future of the sport, according to reports.The news was reported by the Daily Telegraph but also Sky News' City editor Mark Kleinman, who has been very well informed so far on the possible Rupert Murdoch-led takeover of Formula 1.A Ferrari-linked company has confirmed it is allying with News Corporation in the consortium and Italy's Autosprint says it is "absolutely conceivable" that McLaren and Mercedes might also get involved.The governing Concorde agreement expires at the end of 2012 and BBC pundit and former team owner Eddie Jordan thinks there is a lot of "posturing" going on.The reports said the Stuttgart meeting would involve Ferrari, McLaren, Mercedes and Red Bull and the last three teams may "investigate the possibility of joining the consortium themselves", the Telegraph's Tom Cary wrote.F1 TAKEOVEROn Wednesday Ferrari reacted to the news that a company linked to its carmaker parent Fiat was involved in the possible F1 takeover."We have no comment, partly because we are not directly involved at the moment," said a spokesman. "All we can do is repeat what has already been said so often in the past - Ferrari stresses the importance of ensuring the long term stability and development of F1."And McLaren's Martin Whitmarsh told Sky News: "I think whoever owns the sport in the future, be that the current owners or new owners, it's just important that the teams are more cohesive than they have been."As for the expiring Concorde, Ferrari team boss Stefano Domenicali suggested that the negotiations were soon set to step into a higher gear."At the moment it's quiet because something is going to happen soon," the Italian told Auto Bild.Ferrari has recently been highly critical of the current state of F1, such as the emphasis on aerodynamic development."If F1 is to be interesting in the future for manufacturers we need to ensure that all the elements of motor racing are there in equal measure," said Domenicali.He also said F1 should not "change the rules all the time" while ensuring that there were races "in all the important markets".Autosprint magazine said the teams were indeed setting out plans for simple and stable rules post-2012, the revival of key European venues, reduced ticket prices and the modernising of media platforms for a younger audience.