I'm on the east coast and using firefox 1.0 i'm seeing an entirely redesigned msn.com. xhtml strict..totally beta flavor. they still have a handful of bugs to fix, but not too shabby. Optimizing sites for it, in the current state is going to be cake. Alot of weight on interal links, and internal link anchor text. on page optimization. very little wait to outside links.
One thing disappeared: the old MSN Advanced Search, something like search.msn.con/advanced.aspx, but don't count on that. It turned up as a dead link when I checked my site, I had a link to 4 advanced (boolean) searches.
I presume Advanced search will reappear, but with Beta results, once they fix other things. -Larry
One thing I noticed last night. When I search for "mykeyword" I got beta results. If I searched again I got the old search results. Kept hitting the button and the search would alternate between the old and the beta.