The title is in the titles

Or as tweeted by BBC One on the repeats of Sherlock Series 2. I think they meant the title for the 3rd and final episode of Series 3.

And seems like the premiere date for Sherlock Series 3 has also been confirmed: 

Full article here: http://insidetv.ew.com/2013/07/03/sherlock-comic-con/

Full article: http://wegotthiscovered.com/tv/sherlock-comic-con-season-3-january/

Yup, just as expected. About the 'right' time too. After all the promo for The Desolation of Smaug and all. Can't wait for it. But things come in sequence, one after another. First, it'll be The World's End, The Desolation of Smaug and then Sherlock Series 3. =X I'm prepared to be bombarded with 'raging' fandom on Twitter, even though I'm already being bombarded currently, mainly from fans suffering from 'withdrawal' syndrome, be it from Sherlock or The Hobbit trilogy. =P