Last night I found
Cosplay for houses: 221B.
Rex Stout's detective Nero Wolfe is another possible distraction for Sherlock fans. A&E did a brilliant short series if you haven't seen it.
The picspam is hilarious, in case you haven't read it; see blog's top corner for links. In Baskerville: "Oh come on, Sherlock, own up and take your thumping like a gentleman."
Note from @The_Whip_Hand, including picture of Lara Pulver.
Last, the Sherlock drinking game. Take sips! You must survive to 2013 for season 3, remember.