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#21
That is not a question that can be answered easily by a non-user, such as myself. The maximum temperature on that video card is 105 degrees, but maximum temp is not really the issue here. Your idle temp and game temperatures are not that unusual, but usual is determined by your own hardware configuration...particularly overall case cooling. I have a 8800GTS in my HTPC, which is encased in an old Antec, which has lesser cooling that my desktop, and I would not be surprised at those temps there. Even on the desktop, I would only be concerned, not scared.
What I was more interested in was the CPU/System temps, because because the system temperature doesn't normally rise very much on CPU activity, but your's did...that is curious, and deserves a closer look. Also, for simplicity and ease of use, I would disable -12 volt reading, because it is false, and also anything that else, like unused fans, and even Speeds, if you aren't going to use them.
EDIT: Thinking further on this, since the System Temp is "usually" Temp 2, which is an unrealistic number, I would tend to suspect that the motherboard is not sending a proper temp signal for it. If so, that might also be a sign of a possible defective motherboard, but before deciding that, you need to confirm all of the temp values with some other monitoring program. Everest is one that many people use.