Today i buy a modern warfare 3. And fps is so low min 5 max 20 with everything low mid. I dont know why my fps low. I think its cpu bottleneck. Or something? After installed game i did defragment. My system :intel pentium d dual core 3ghz, 4gb ddr2, 800w thermaltake psu, geforce 9600gt 1gb (max oclocked) and windows 7 home premium 64bit