Hi, I was really happy when I saw that Mavericks is gonna have an upgraded version of Open GL. I just want some before and after data to see if it has a big boost. here is my fps for bioshock infinite bench mark test: resolution: 900 x 1600 graphics quality: preset on low. V-sync off Average FPS / Scene Name 34.47 / Welcome Center 34.58 / Scene Change: Disregard Performance In This Section 42.98 / Town Center 41.15 / Raffle 61.9 / Monument Island 63.18 / Benchmark Finished: Disregard Performance In This Section 42.78 / Overall My starcraft 2: resolution: 1080 x 1920 graphics quality: medium texture quality:medium no V-sync my average fps is 44, but it drops to 34 in battles. I will post same data when mavericks comes out, I have an mid 2011 iMac with radeon hd 6770m. Hope you guys post some info here.