Test it with Prime 95 for max temps, I get 74 more or less wen max heat test in Prime. When gaming no problem, CPU does not even need to kick in. I recomend you to use Everest Software to check the rpm of the cpu fan at idle, I have 2100rpm at idel in CPU fan.
Hope it helps.
G75VW-BBK5 / i7 3610QM / 8GB RAM / OCZ Agility 3 SSD 120GB / GTX 660M