From Disc Two, access the "Original Storyboards" menu. Once in, go to the second page of this menu set (which will display storyboards for deleted sequences). Click on "Rhino Fight". Once in, press up to highlight the rhino and press enter. You now have access to a small section entitled "What Happened to the Rhino?" In here, you'll find the script for the excised rhino fight scene, as well as a brief CGI rhino screen test.
From Disc Two, access the "Trailers & TV Spots" menu. Highlight "TV Spots" and press left. Hit enter to view the "Gladiator"-themed TV spot for another Dreamworks film, "Chicken Run".
Reviews: DVD Talk also has a review of
Gladiator: Signature Selection by Aaron Beierle.