A lengthy preview written by that Jim Rossignol guy.
This time, the focus is going to be on the actions of a small team of personalised soldiers. It's about "five or six squads of elite warriors" whose actions are going to define the course of galactic events in the Warhammer universe. It's closer and more intimate than the original game, moving away from that anonymous unit production-line feel of the previous Dawn of War titles.
Dawn of War 2 has another parent, however: the mighty Company of Heroes - a game which has done more to alter our perception of real-time strategy than any other title in the past five years. Company of Heroes created a game in which the more realistic behaviour of our units made for compelling play. We saw buildings collapse, craters form, and soldiers dive for safety behind shattered scenery.
You can read the full thing here.