In following with the time on the island counter. I think that there should be a counter maybe on the detail page or when you just select a villager that says their age (I know the age is told to us already)and how much longer until their next age. You know like this:

http://i137.photobucket.com/albums/q229/BlshngBride08/agecounter1.jpg

Or this:

http://i137.photobucket.com/albums/q229/BlshngBride08/agecounter2.jpg

Or This: (this is like the crop time counter)

http://i137.photobucket.com/albums/q229/BlshngBride08/agecounter3.jpg

Sorry I'm just so excited I can't wait for VV3!!!