Here's my list for the urban chicken-owner:
1. Friendly - enjoys/seeks out human contact
2. Easy to handle: docile
3. Moderate to high egg production
4. Medium & larger eggs
5. Hearty
6. Doesn't fly
7. Not prone to broodiness
8. Hearty
9. Tolerates small spaces
10. Appearance
DBF's list:
1. Friendly temperament: Ease of handling, bears confinement, seeks out (or doesn't avoid) human contact
2. Egg production - med to high
3. Heartiness: resistant to cold & disease
4. Not aggressive to other chickens
5. Tolerant of rain (i.e. preferably not feather-footed, silkie, or frizzle)
6. Quiet
My dream chicken for the urban chicken-owner:
1. Litter-trained
2. Large, daily eggs
3. Poop doesn't attract flies
4. Only does the Egg Song between 10a & 3p
5. Repels urban predators: raccoons, possums, dogs, and humans
6. Trims the grass rather than destroys it
7. Doesn't eat plants that are growing in the dirt
8. Never gets mites
9. Lets itself out of the coop quietly at 5:30a