Normally I wouldn't be able to afford it either...but I got lucky. There is a conference/seminar going on and work is paying for most of it. The conference rates were astonishing too!
We originally were going to stay there for our wedding but ended up at BWI (and through some lucky circumstances, ended up with a deluxe concierge room).
I've been dying to go back to Disney and would have been happy to stay anywhere on site (afraid to drive down there)...but I've been very very blessed to be able to stay at the deluxes both times.