Disney just announced 2 major expansions to its WDW property: the 900-acre Four-Seasons Resort and the Western Development the size of Animal Kingdom.
Now to take a closer look at the possible reasons why Disney thinks it will be able to attract enough visitors and fill up thousands of hotel rooms and time-share units, with the first phase opening in 2010-2011, it is reasonable for us to believe that the most likely scenario is a MAJOR theme park expansion opening in 2010-2011.
I know some people don't want to see more value resorts being built at WDW, but if you look a this announcement from a different perspective, then you will see that it is actually a good thing for all Disney Fans because we can expect more entertainment offerings at WDW.
The thought of a 5th gate may be too optimistic. I think the most likely case is a major expansion to Animal Kingdom (Beastly Kingdom?)
Resort hotels typically take longer to build than attractions do. Since they announced the 4-seasons and western development today, we may expect an announcement of a MAJOR theme park expansion no later than spring 2008.