There's a great Cuban/Mexican restaurant about 1 mile west of the resort on the South side of Camelback Road.
The Grand Canyon is a do-able day-trip. It's well worth taking the Flagstaff route, versus through Williams, AZ. It's much prettier, and cooler as well.
Phoenix "Discovery" Museum for kids is one of the best we've ever seen (get to the top floors quickly though - they have the best exhibits).
Quick Tips:
Best Way To Get Around:
Best way to get around - driving.