The numbers in the article are all that impressive really... 4% in an improving economy. Also, it doesn't address whether those are new guests or are merely being shifted from other parks.
That said, many are saying attendance and bookings are doing well.
Disney's quarterly earnings call is on Wednesday, and since Eisner has been on the defensive lately, we might actually get even more info than normal.
I do agree with PKS, though. It doesn't take a genius to figure out why Epcot's attendance was falling...