> Trying to resolve my Linux problems, I started to get very suspicious of my "speed > problem". My PC is a modern machine (AMD FX-4350 processor) and really should not > have problems running Twinbee or Pacman. I've been assuming that the speed problem > was caused by a slow video card and drivers.
-sdlvideofps will show how fast your video card is in a pure video card scenario for a game at the current resolution. If it's not at least 500% you may have issues.