http://www.watch.impress.co.jp/game/docs/20060707/sega.htm
(Expect English reports to come out shortly)

Outrun 2 SP SDX - A special 'attract' version of Outrun 2 SP. Two people sit in one cabinet and take turns to drive the car. Up to eight people can play at once. This version runs on Lindbergh not Chihiro.

Let's go Jungle - Looks like a pseudo-sequel to The Ocean Hunter. http://letsgojungle.sega.jp/

PS That Boat Race GP on Model 3 is actually an attraction at one of Sega's Joypolis locations