The DreamCatcher Games Downloads page offers a playable demo of Frank Herbert's Dune for download, clocking in at 81.7 MB. The demo is intended give you a taste of this third-person action adventure in the works at WideScreen Games. Note however that Blue and I were not able to get the demo to run, so while that may be problem with our machines, your mileage may vary more than usual. Update: 3DFiles has a mirror online, and reports no issues running the demo.