Well, since my laptop is widescreen and the native resolution is 1366 x 768, I need to use resolutions under X x 768. That forces me to go for pretty low resolutions. I used to have the Low res patch and it worked great, but I uninstalled the game and now that I want to play it again I cannot find it. The High res patch works slower in low resolutions (I already tried), so in my case, the Low res does improve performance. So again, if anyone has it...