Guys this one is really simple. The other thread "Classifying current F1 drivers" lists them. Grab the bottom 5 to 8, there is your list.
http://tentenths.com/forum/showthread.php?t=99179
Giancarlo Fisichella
David Coulthard
Takuma Sato
Ralf Schumacher
Anthony Davidson
Vitantonio Liuzzi
Alexander Wurz
Sakon Yamamoto