We got a great discount last time we went. $169 per night. Well worth it to stay in the EPCOT area, since the WDW resorts were almost $400 per night.
Go to the official Swan and Dolphin site above and it has details. We could have stayed at Dolphin for even less, but we wanted the Queen beds.
I suggest calling, as we found there were more options available than the site shows.
Remember that you cannot do
DDP or use the ME if you stay at Swan and Dolphin, but you do get the WDW on site transportation.
Folks will also warn you about the daily charge (was $12 when I stayed there, which includes 2 large bottles of water and WiFi) and the parking charge which I think was the same (We don't bring a car). But even with that added in or the cost of transportation to the resort and back to the airport the price is still well some $150 per night less than the other EPCOT resorts.
We would definitely do it again, especially if it were just DW and I just for the location alone! This trip, however, we are taking advantage of the spring discounts and staying at POR.
