I will probably keep WXP at home until the HD or the computer dies, ergo no IE9, it will probably be preloaded on the new computer by then. I already have IE8. At work we recently upgraded to 8, and it will be a while testing before anyone can upgrade to 9, and presently we are still on WXP as well, with upgrade to W7 in the near future.
We have been watching baseball on ESPN3 over the computer, but IE seems to lock up more than Firefox, so we have been using FF for that. I have used IE primarily for years as it is what we use at work, as the author said--inertia, I know how it works, the options etc. I don't use extensions, don't quite understand or haven't seen any useful ones.
So I am interested, but won't get to experience it for a while.
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