Saw this linked to on another forum.
http://www.metacafe.com/watch/1041948/1_image_stabilizer_for_any_camera_lose_the_tripod/
Obviously not a tripod replacement but very portable and cheap
http://www.metacafe.com/watch/1041948/1_image_stabilizer_for_any_camera_lose_the_tripod/
Obviously not a tripod replacement but very portable and cheap