Games intermittantly stuttering in Boot Camp

I've recently been experiencing some issues with intermittant stuttering whilst using games in Windows, everything is running fine and then all of a sudden the program suddenly drops to <1 fps as well as the sound stuttering.
If I alt-tab or ctrl-alt-delete then I can close the program down (the desktop and other background processes are all running fine, just the game itself is stuttering), but I'm not really sure what the problem could be.
As of the most recent Apple Software Update, I'm running 188.61 nVidia drivers and using a 9600M GT, but it seems to have just come out of nowhere. I've also tried reinstalling the Boot Camp software with my Snow Leopard DVD, but to no avail.

Ok, I thought my Uni MBP was defective, because I have the same problem with CoD4. The game is choppy, and forget playing at high rez. I had the better performance on.
According to CoD4 ingame optimizer, the optimal setting for my spec should be 1024x768 rez. And even then, it would get choppy, especially during graphic heavy scene. The weird thing is, when I minimize the game to check the CPU usage via istat, cpu isnt maxed out at all (around 70% per core).
I was reading some posts on Macrumors, and other people have the same problem with not just CoD, but with Spore and WoW. On the other hand, some people say they can play CoD4 at high rez with most settings turned on and still get 40+ fps.
I ran hardware test last night and it didnt find anything wrong (which it also did ram test).
Message was edited by: archimonde

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    Ok, I thought my Uni MBP was defective, because I have the same problem with CoD4. The game is choppy, and forget playing at high rez. I had the better performance on.
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    I ran hardware test last night and it didnt find anything wrong (which it also did ram test).
    Message was edited by: archimonde

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