Microsoft Embraces OpenSearch?

I've blogged a few times about A9's Open Search, so when this post - IEBlog : IE7 and OpenSearch: Behind the scenes - appeared on the IE blog, it caught my eye.

Here's a snippet:

It’s been a lot of fun working with A9. But, this is just the beginning. The OpenSearch spec occupies a special place because it intersects 3 important communities – browser, search and RSS. We want to hear from all of you. My dream is that OpenSearch is adopted by all the browsers and millions of sites (Internet and Intranets) and that a significant percentage of these sites also expose RSS.

I'm still waiting for the OpenSearch Konfabulator widget, or a corresponding Google Desktop extension...