Wow...I also have the Pioneer 4270 with about 150-200 hours on it (I'm guessing, I have not been counting). So far I have not experienced any IR on my TV. I was going to have a friend come over with his 360 soon (I'm dying to see how HD games look on this TV), but now you have me a bit scared. Let us know how it turns out. I bet it will go away after a few days.