I got a Samsung 204b monitor today with 1600x1200 resolution and a 5 ms refresh rate (corresponding to 200 Hz). Now I'm utterly confused because the display preferences let me only select a 60 Hz refresh rate for this monitor. According to the DAC speed of the graphics card installed (RadeonX1600) this computer should be able to support up to 208 Hz. So why is my MBP limiting me to 60 Hz? Thanks in advance for any information input.