I seem to get a crash to desktop every 60 to 90 minute. Per Kryo instructions here is the link to the debug log. I had to edit it to get it below 100KB limit. I have the original if you need more info.
http://pastebin.ca/1930170
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These CTD only occur during combat. machine is win xp 32 sp3; 8800gts (actually machine and driver info is in the link)/