Les Machineurs just uploaded a new GH2 video. He used the 50mm f/1.4 Pentax Asahi SMC and 17mm f/1.7 Panasonic lens. ISO 1600 except the last shot at 3200. 1080p24 AVCHD 24mb/s. Edited with Final Cut Pro and QuickTime ProRes HQ codec.
Adobe annouced the Camera Raw 6.3 Release Candidate which supports the Panasonic GH2 (http://labs.adobe.com/technologies/cameraraw6-3/)