smallcompany - 1:06 am on Jan 31, 2010 (gmt 0)

IE6 - corporate or personal, old or new computer (until Windows 7, many put XP on those that came with Vista), nobody cared.
All they cared about was to continue running XP which by default runs IE6, because XP run well. Plus, for corporate, they usually have 3 or more years of hardware change cycle (based on the warranty and whatever else).
Then, enough "computer illiterate" people still knew how to turn automatic updates off on their personal PCs, just because they were annoyed by MS's pop-ups, and therefore stay on IE6.

In regards of corporate applications, I think their developers should test new browser version the latest when that new browser is officially out.

Finally, while there are tons of reasons for corporate environment to stick to one browser for long time, in many cases, it is about smart a.. IT managers with bunch of certificates that like to be the smartest in the world. Actually, I don't think there is a boss that is not the smartest in his/her group. I remember my corporate life... phew...