In regard to the Cosworth engine one page ago: Just noticed Marussia actually had the highest top-speed of all teams in Barcelona. This doesn't necessarily mean that the Cosworth engine is good, since aerodynamics also play into this, additionally raw power output isn't the only thing that matters. But it can't be that terrible.
1. Marussia Bianchi 320,5 km/h
2. Ferrari Alonso 316,7 km/h
2. Sauber Hülkenberg 316,7 km/h
2. Force India Sutil / Di Resta 316,7 km/h
5. McLaren Button 315,8 km/h
6. Lotus Räikkönen 314,9 km/h
6. Mercedes Hamilton 314,9 km/h
8. Toro Rosso Vergne 311,2 km/h
8. Williams Maldonado 311,2 km/h
10. Red Bull Webber 307,7 km/h