I ran into problems using the latest ATI driver, version 7-5_vista32_dd_ccc_enu_46757.exe, with my Sapphire X1950 Pro video card. At first it seemed to install ok, but then I noticed that that my Samsung 940MW monitor didn't look right. Upon further investigation, I discovered that the resolution had been reduced to below the 1440X900 that I was expecting. After that, I tried changing the resolution to 1440X900 but all I got was a black screen. I kept trying but eventually I wasn't able to change back from the black screen at all. Luckily, my motherboard has onboard graphics so I was able to remove the X1950 video card, connect my monitor to the onboard vga, and boot into Vista to remove the ATI driver. After shutting down, I reinstalled the X1950 and reconnected my monitor to it, then I booted back into Vista and installed the version 7-4_vista32_dd_ccc_enu_44985.exe driver. Finally, after restart, everything was working again. It's a difficult problem to fix if you don't have onboard video like I do. For now, I'm sticking to driver version 7-4_vista32_dd_ccc_enu_44985.exe.