I'm going in vacation next week, and I want to buy a 5830 and add it to my 6850s to mine 24/7 for a 6 weeks.
Is that a good idea? The 6850s are pulling 260Mhash/s each @ 85c, 65c. So I'm going go get roughly 1Gh/s with the 5830 plus my second rig, but should I be worried about the heat and stress?