After all the angst about whose 50mm primes are trash, this might amuse (sorry if it's already been posted somewhere, but if it was I couldn't find it). The fact that it's about Nikon is neither here nor there, though I guess some may want to complain about that, too....
http://photographylife.com/question-18-300mm-lenses-part-deux
http://photographylife.com/question-18-300mm-lenses-part-deux
