The car weights.
I haven't got a clue who's favourite.
It's always nice to be at the front of the grid but not so good when you've got less fuel.
Mclaren said it may rain a little during the race too.
1. Lewis Hamilton, McLaren, 653.5kg
2. Adrian Sutil, Force India, 655
3. Kimi Raikkonen, Ferrari, 662
4. Heikki Kovalainen, McLaren, 683
5. Rubens Barrichello, Brawn GP, 688.5
6. Jenson Button, Brawn GP, 687
7. Vitantonio Liuzzi, Force India, 679.5
8. Fernando Alonso, Renault, 677.5
9. Sebastian Vettel, Red Bull, 682
10. Mark Webber, Red Bull, 683
11. Jarno Trulli, Toyota, 703
12. Romain Grosjean, Renault, 699.8
13. Robert Kubica, BMW Sauber, 697.5
14. Giancarlo Fisichella, Ferrari, 690
15. Nick Heidfeld, BMW Sauber, 697.5
16. Timo Glock, Toyota, 709.8
17. Kazuki Nakajima, Williams, 706.2
18. Nico Rosberg, Williams, 708.6
19. Sebastien Buemi, Toro Rosso, 706
20. Jaime Alguersuari, Toro Rosso, 706