The panda cub is a hit with my friends and I and were are young professionals.
You need to request tickets online, though not sure if that will still be the case by the time you visit. I learned the hard way that the best viewing time is early am. I had 1 pm tickets on a Saturday and the cub, Tai Shan, spent the whole 15 min interval (tickets are for a limited time) asleep in a bin.
It was still fun though!
The restaurants recommended in Georgetown are great. If your ladies are readers, there is a great used book store called The Lantern, see below:
http://www.his.com/~lantern/