It's called the Tamu Tamu courtyard.
We were one of the first DFTW couples to ask about/tour the Animal Kingdom locations, and definitely
the first for our wedding coordinator when we were scoping out spots... the AK event planning team is FANTASTIC. (We ultimately selected a different in-park location.) Your guests even get some free backstage peeks, since they can travel behind-the-scenes to reach your in-park event. IMO the best thing about AK is that you don't need to decorate much!
Regarding cost, in-park receptions seem to be twice as expensive as resort locations, depending on the size and decor of your party.
You are promised the Disney touch. All in-park events
must use Disney vendors, and we've found it to be very convenient for us. Every family is different, however, and it can add up quickly; for example, we've learned that it costs more to have a DJ set-up and perform for an in-park Disney reception than a Disney resort reception.
The outcomes I've seen for all of the outdoor, in-park Disney events are WELL worth the effort and expense. Prices do change, so I wouldn't want to quote my DFTW packet and disappoint you. You wouldn't receive a coordinator to quote ballpark numbers for a 2011 event until you book your date; it's worth a try to call to ask when you can do that. If you have some flexibility in your ideas and budget, then I think it's worth looking into these truly stunning locations with your Disney coordinator or wedding planner. Good luck!
PrincessMonkey