No. Using version 2.0a1, Firefox 3.1b1.
Actually, depends on what you mean by weird. Certain sites (eg Bank of America) have large location bar icons that show up. But I figured that was just a special technique that they're mucking about with.
Like this:
One thing about it that pisses me off is that since getting the most recent update, the favicon for the search bar doesn't show up, which has led to me searching for things in Wikipedia that I wanted to Google.