If you felt Kasumi's Stolen Memory was too short and Overlord was too side-storyish, Lair of the Shadow Broker may be precisely what you're looking for in Mass Effect 2 DLC. According to BioWare, it's set to be the "richest in scope" of all existing add-ons, and also claims to bridge events of ME2 with any future products.
170°
140°
40°
40°
30°
40°
Ad 
30°
