I have and it was everything I expected it to be. Diluted middle of the road pop music that's a million miles away from the gritty exciting blues that made me love them back in 2002 when I first heard them.
Ooh, controversial ! My first Black Keys purchase was Thickfreakness, which is excellent. I have loved all subsequent albums & the way they have evolved. I think I'm just a massive fan of Danger Mouse's production too. Go on, give it another spin !