Reuters reports that Yahoo is doing an overhaul of its homepage, but that not all users can see it yet (like me. I never get the good stuff early). According to the Reuters article, this change is intended to "give users a personalized view of the wider Web."
Here's their screenshot:
I'm not entirely sure who is seeing the new redesign, as Yahoo says less than 15% of users have been exposed to it. Thus far, there's been no forum discussion on the impact of the redesign.
Forum discussion continues at WebmasterWorld.