Formula 1 marketable rights possessor Bernie Ecclestone is systematically looking further to the 2010 season, which will feature a grid consisting of no less than four World Champions, even though the Englishman believes Red Bull's Sebastian Vettel will be the man on top 2010 season.With Vettel, who made his debut as a youngster at BMW in 2007, having been Champion Jenson's Button's nearby challenger by the end of the 2009 season, Bernie Ecclestone is sure that the German can go one improved in 2010.