SeaWorld Orlando has announced an opening day for its under-construction Manta roller coaster: Friday, May 22, 2009. That's the Friday leading into Memorial Day weekend.
http://blogs.orlandosentinel.com/features_orlando/2009/02/birthday-for-seaworlds-manta-may-22.html
http://blogs.orlandosentinel.com/features_orlando/2009/02/birthday-for-seaworlds-manta-may-22.html