I commented earlier today on a few IE8 features that were highlighted during the keynote session. I attended an afternoon breakout session and thought I'd share with you additional insight on our current release.
Download IE8 today http://www.microsoft.com/ie/ie8 and provide us your feedback through one of the many facilities available to you:
And if you were wondering about the overall User Experience, there's not much to say at this time since User Experience is not the focus of Beta 1. More to come at a later time.