Hi I have a gateway sx800 (slim pc) and upgraded the video card to an hd4650. I have no problems with the card overhearting (normally 50-55 when watching movies or just running windows). But when I play games (dragon quest: origins, titan quest) It runs around 78-82 degrees. My question is that is this safe? I read somewhere a guy drilled holes in his case to lower the temperature. Please advise and thank you in advance.