I would also say both drivers fault. Webber didnt give the room he should and Vettel took a chance. I could expect a downbraking from 300 km/h can be a little wobbly, maybe thats what happened^^ But im a Vettel fan, so I blame Webber :P
Team name: 7Karat
Number: 17
Car: FXR
Drivers:
N!ghtm@re, N. Gebauer, GER
Azrael5, B. Dubray, FRA
Austin31287, A. Cann, ENG
Flingoko, A. Dahl, DEN
Madcatz, M. Riis, DEN