I've just started using the new IE8 beta from MS and so far it seems an improvement over IE7. There are some new functionalities, like if you highlight a line, as if your going to copy and paste, a little button appears with a menu. I'm still getting used to it so I'm still discovering all of the new toys.... Those wishing to try it for themselves can get it here:
Internet Explorer 8 Beta: Home Page

Just to add, this is more of a release for developers and please remember this is a beta. Further releases for us mere mortals are in the pipeline.
More info' about IE8 with a tour of whats new is here:
Internet Explorer 8 Beta 1 - Tour | Hardware 2.0 | ZDNet.com
Here is a short video on IE8 by one of the dev' team:
First Look: Internet Explorer 8 | Larry Larsen | Channel 10

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