Well, I blinked too, Lucy, and I feel like Rip Van Winkle XIII. Like what the * is the "Awesome Bar"? Do you know how many [awesome bar] results Google wants to return when you search from San Francisco? 16,600,000!
Adding "firefox" to the [awesome bar] search returned a Mozilla blog FF3 article [blog.mozilla.org...] as the first result, and I realize that I've been using the A Bar for a while, but I've never encountered the name before.
Aside from that, a painless upgrade. As I was downloading it, though, and the numbers flashed by, I thought I was looking at version numbers rather than megabytes.