With the CES underway now in Las Vegas, Yahoo! have just announced their new messenger client for Windows Vista.
It's built from the ground up for Windows Vista and makes use of the Windows Presentation Foundation and also Sidebar Gadgets. It is pretty slick looking. There's a video going over some of its features on their website.
I'll talk about some of the things Microsoft has already announced; Windows Home Server and the Ultimate Extras like Windows Dreamscene over the next few days too.