[kawohi]

Exactly. I don't see how many people can be excited about IE9. No CSS3 Transitions? Come on thats my FAVORITE part of CSS3!

[barista]

and that's a very convincing reason to support it in a browser

[tomelders]

UI feedback is very important to a well rounded user experience. CSS3 transitions will be a big part of UI design in the future. Just how far off that future is... I'm guessing around IE11, maybe IE12.