Sherlock and Sherlocking
A ReTweet has directed me towards the Sherlocking blog, which in turn has pointed me towards the pitch video for the forthcoming Sherlock series, brought to us by Messrs Gatiss and Moffat, Hartswood Films, and the BBC. My knowledge of the characters isn't extensive, but this looks promising (though the scenes may all come from the pilot, which is now not going to be transmitted):
Click to view