Cumberbatched moments: A gentleman in brown, with hat, in something called Parade's End. Looking quite fine at some awards ceremony somewhere. Spiffy, even down to sneakers.
Spoiler zone / season 2
Tumblr: Sherlocked purple versus white photo set. Madness and theories.
Fan art: The three Derps. Shipping 'toon (aka "We're not a couple"). Take my hand poster. Anderson nearby?
John as seen by Sherlock in Baskerville: Before coffee is drunk, a thought balloon.