Who will replace Sebastien Vettel at STR?

Despite numerous rumors concerning Bruno Senna's debut in Formula One next year, the Scuderia Torro Rosso is yet to announce their drivers' line-up for 2009. According to Dutch magazine 'Formule1 Race Report', Gerhard Berger is considering at least another two GP2 drivers to replace Vettel next year: French newcomer Romain Grosjean (winner of GP2 Asia and currently test driving for Renault F1 Team) and Sébastien Buemi (test driver for Red Bull Racing). Nevertheless, it is believed that Bruno Senna would land an F1 seat if he is to win this year's title in the GP2 Series. He is currently trailing Italian Giorgio Pantano by 7 points in the overall classification with 6 races to go. To find out more on what Gerhard Berger had to say about it...
Source