PC Gamer is posting a six-video series on the incoming DoW3. Linking the first two here for your viewing pleasure.
Dawn of War Weekly Episode 1: What is Dawn of War 3? https://youtu.be/JSm8RZmk5kE
Dawn of War Weekly Episode 2: Meet the Armies https://youtu.be/zCO76pSD4sQ
They also posted a nearly 42-minute DoW3 video from their recent PC Gamer Weekender (https://youtu.be/kGVBxAziyaA).
Good stuff if you're a DoW fan.