Plenty of juicy renderings here:
DCmud - The Urban Real Estate Digest of Washington DC: Bethesda
There's a general lack of cranes on the ground everywhere. To be under construction now means that you'd have received financing in 2009-2010 (or already have had money then), when cash was awfully scarce. Banks have gotten less shy, particularly about apartments and sometimes offices, and so some cranes are starting to appear.