I was wondering if anyone could explain how this "super-smooth" gameplay is possible.

Exhibit A. is xbox 360 cod6 MW2. The framerate is locked at 60 fps, yet this is some of the smoothest gaming I have ever seen. I don't have anything on the computer that really compares to it. The closest I get is 154 hz at 154 fps in quakeworld.

Exhibit B. Is these streams here from the latest dreamhack ql tourney.

http://www.justin.tv/dreamarena/b/265618825

This most definitely appears smoother than 120 or 150 hz (I know maxfps is max'd at 125, but bare with me) in ql at of course a steady 125 fps. Keep in mind that I am looking at these vods on a crt (obviously) with my desktop set to 150 hz.

I cannot recreate this smoothness with any games that I have, regardless of hz rate, fps values, vsync, frame buffers, etc.

I thought it might be some kind of motion blur, but I have seen many 360 games with this smoothness and I have a hard time believing they all are using motion blur, but I could be wrong. Any ideas?