Might just be because I've grown accustomed to the double-story a, but it feels a bit off to me :(
I find it's really low on personality, in comparison to what the Klavika logo achieved.
It 404'd! :(
Luckily, it got archived pretty quickly.
Link is busted
404 - but it also looks like it may have been pulled from the blog entirely?
Here's a really good follow up read on the Facebook logo and overall Visual Identity by Ben Barry, if anyone is interested: http://benbarry.com/project/facebook-visual-identity