I absolutely loved the grounds, the views (especially during the evenings) and the architecture. The Casitas (buildings 1, 2, and 3) offer the best views of architecture and fountains.
Rooms are "okay", no glorious cable channels or microwaves (not that you'll need that), resort staff service was very good. Food is VERY pricey; if you're traveling on a budget and every dollar counts, then you CANNOT afford to stay here even though they offer a meal plan option. Seriously, don't even try it if money is an issue, you'll end up in a bad mood because all of your money will be gone after two days of eating. But if money is no object, then you'll love it.
Only thing I hated is that its a Convention/Conference Resort. That means throngs of loud people wandering around with name tags, hogging up the outdoor bar and every available bench and outdoor table. Definitely plan around Conventions/Conferences at this resort.
If you're using the Disney Express, follow the directions they give you. Keep your Disney Express travel voucher booklet with you for check-in and check-out. On your check-out day, go check your bags and get your boarding pass at the resort airline counter at least 4 hours before your Disney Express Bus departing time, then go back to your room and relax...or go eat. Trust me, 95% of the resort guests will show up 1 hour before their Disney Express Bus departs, and then complain (while holding up the line) that they can't get good service...especially the convention/conference people. If all you have are carry-ons (no checked airline luggage), it's even better because you can get your airline boarding pass delivered to your room, hanging on your doorknob, a couple of hours before your bus heads to the airport.