A new edition of The Emperor's New Groove is coming to DVD October 18, 2005!
All I have to say is that this isn't an ultimate edition. Seems it's the same stuff that was on the previous release and it's one disk.
More info at: DVDAnswers.com
Disney has also announced a new special edition of The Emperor's New Groove which features the voices of David Spade, John Goodman and Eartha Kitt. The disc will be available to own from the 18th October, and should be priced at around $29.99.