sir jun there are some user feedbacks on the ati 4850 over at tipidpc. one common observation amongst users is that it runs quite hot (but of course). prices have dropped here quite rapidly due to the release of the 4870.
Thanks. I may have to go nVidia if the 4850 runs too hot. I plan to have 2 video cards (along with a quad-core 2.66ghz Q9450 cpu) in non-SLI/non-Crossfire mode. I want to hook up 4 monitors to play Flight Simulator X and X-Plane 9.