some more links here. I don't have any personal experience other than I drove the Cayenne S. It felt big and slow and I didn't like the interior - test drive was only five minutes because I didn't want to drive it anymore.
http://www.xoutpost.com/x5-e53-forum/...ht=range+rover
http://www.xoutpost.com/lounge/7753-x...ht=range+rover
http://www.xoutpost.com/x5-e53-forum/...ht=range+rover