http://www.microsoft.com/windows/internet-explorer/beta/default.aspx
Faster, More features, More secure, More standards compliant, and still free.
More Links:
Fast and many more features.
Update 8-28-08: I love the stability, speed, features,rendering, Inprivate anonymous browsing, the developer tools (F12) are excellent.
See what Mary Jo Foley from All about Microsoft has to say: IE 8 Beta 2 ready for download
