I will only tune into opinions from people who have sat an Xbox 360 and a VERY high-end PC side by side and have seen both games played simultaneously. What you remember and what you see are two totally different things. Unfortunately, I believe I'm the only one here who has had such a viewing opportunity.

Although, the argument that FPS are best played on a PC is undebatable. Keyboard/mouse combo wins hands down. Kiosk demos are VERY different from the full retail versions of the same game.

Lack of credibility kills an argument.