The MSN toolbar is releasing faster than the "Internet lightspeed" that I remember of ten years ago; this is its second release in just a month or so, now including tabbed browsing for IE.
It's taken me a long time to love this; I used to hate the way that you were forced to have the toolbar on every Explorer window and the poor quality of the returned results. For a long while, I was by no means alone as a Microsoft employee in running the Google Toolbar on my machine despite the home-grown alternative. But the new Windows Desktop Search is brilliant - the built-in preview pane, coupled with a comprehensive set of filters for advanced searching and vastly improved internet search now make the MSN toolbar an automatic install on my machines.
And now with tabbed browsing - what can I say... go get it!