Discounts are now available to all of Disney's Broadway shows:
(from the Broadwaybox.com newsletter)
Mary Poppins - code BBOXMP at ticketmaster, $85. Expires May 24, buy before May 7.
Beauty and the Beast - code BOXSB at ticketmaster, $65-$75. Expires May 31, buy before May 1. (Also a 4th of July special.)
Tarzan - code BBTZ at ticketmaster, $76. Expires July 8.