Microsoft has decided. The feed indicator in IE 7 is still orange!
Most surprisingly it’s the same one that Firefox has. Well, not so much of a surprise, because it was the Mozilla foundation who kindly ‘donated’ it:

Thanks again to the Mozilla team for making the icon available and helping us do the right thing for all browser users.

It’s a good thing there’s some in-browser ‘standardisation’ on the RSS/Atom/Feed front. But what about those orange XML/RSS/Atom chicklets everywhere? How about some standardisation there? Maybe in conjunction with the above mentioned icon? Like so?