In FM3 most of the achievements are 'reach driver level 5' (5g) to reach driver level 50 (50g). Completing seasons 1,2,3,4,5,6 etc. Its pretty easy to get gamerscore in
In the UK it has already come out and in all other countries its start of November
No it is a Xbox 360 game and Forza Motorsport 4 is expected to be released for Xbox 360 in 2011
L+a and wallAHH
More cars and tracks probably