Which feed button do you prefer?
The orange XML button or the blue RSS button.
Sorry to those in the aggregator, you have to see this one in person.
I think the de facto color is [orange][1], even though it’s blue in [Safari][2], so that leaves XML or RSS.
[1]:http://en.wikipedia.org/wiki/RSS_%28file_format%29
[2]:http://www.apple.com/safari/