I think ill give it an overall 8. At first it would have been a 5.
The extras in this game are fantastic, DRS, KERS, Safety Car ( although i have yet to see it) more information on the dashboards and throughout the paddock, New tyres, new cutscenes, better helmets, Co - op, split screen and many more.
The downsides for me are graphics(characters and surrounding areas especially, seriously CM get on the phone to Rockstar for 2012 for your graphics, or Crytek)
core physics ( they seem a bit unrealistic compared to 2010 and rain can be done flat out no worries unlike 2010)
network facilities (terrible lag in full games as well as some PS3 freezes)
ranking system (Boosters again)
Penalty system (slightly improved but still unreliable, attacking kerbs and getting 20 second penalty.... yea right)
I have more beefs, i just forgot, but its still a good game, hopefully theyll continue to patch it throughout the year and fix the problems. But yeah if they want to make a truly amazing game they need to go to rockstar and ask them to do the graphics for next year and only let CM work on the core physics and take it back to 2010.