Pros:

Weapon selection
Bots have no problems navigating
Small enough to navigate easily and keep track of people when the defication hits the occilation
Getting to reference 300 while using aisles to confine the zombies into good kill zones

Cons:

Small for a "super"market

Conclusion:

If you have friends and want to see who's the weak link in the friendship this is a good place to test that without jeapordizing yourself too much