most of the games that this year E3 presents looks awesome and i dunno which games should I buy or past

god of war3, bioshock2. guitar hero5, r&c: a crak in time, brutal legends, assassins creed2. resident evil: darkside chronicles, cod: modern warfare, splinter cell and more, the beatles tock band, lost planet2, mgs: rising, uncharted2...(all of them looks just crazy)