Today, I'm forgot my USB with Firefox Portable at home. However, this helped me know that one thing is quite interesting: Microsoft Channel 9 break layout on IE6 but it work well on firefox. I have made 2 screenshot of 2 browser: Firefox and IE6 then merge it to 1 for easy compare.

Click on the images to take the full view

Microsoft Channel 9 break layout on IE6

Microsoft Channel 9 break layout on IE6

What are you thinking now?