I would guess significantly more that 25%. I used to work at a huge consulting company that still ran IE6 and was only recently looking to upgrade. I consulte

I would guess significantly more that 25%. I used to work at a huge consulting company that still ran IE6 and was only recently looking to upgrade. I consulted for a government agency which was using IE6 and had no intention of upgrading soon. In fact, IE7 is banned by some government agencies.