Expecting DIS to offer US/IOA type deal, that is just a wish for me aslo. We might have wait for couple decades. I only see them (working on) increase prices year after year.
You have a great deal: About $16/per day/per person for 5 days if you spend five days there. The best deal you can get publicly for DIS is around $47/per day for hopper passes. Dropping from $ 47 to $16, long way to go for DIS. Also, AP discounts offers from UO/AOI is far better than DIS. Sometimes, it makes me think if its because of the name of the park costs us, just like name tag of the cloth, or car: BMV vs. Forcus(Ford).