A car would allow you to do anything you want outside the central city and to visit some of the town

I usually don't like driving in big cities and never rent a car in European large cities. When in San Francisco, the rented car was parked mexico cruises for the three days at the downtown hotel and was only taken out of the garage to visit Golden mexico cruises Gate and drive away from SF.
If wife and I could spend the week using the week MARTA pass it would be great. Will rent a car for day trip(s) from Atlanta and or for any must see attractions which are not doable with public transportation.
mexico cruises Have been to Atlanta only on business - but that at least 8 times - sometimes to Convention mexico cruises Center and others various hotels. The downtown area resembles the earth the day after an alien attack - assuming the entire population has died of some bizarre plague.
I was in Atlanta about a month ago. With a MARTA Pass, you can ride from the airport area right to downtown. mexico cruises From there you can easily walk to sites such as the Georgia Aquarium, World of Coca Cola, Millennium Olympic Park, and the CNN Center. mexico cruises You'll have to ride the subway again to get to places like the Capitol Building, Four Points, Underground Atlanta, the Varsity, and the High Museum of Art. By judicious bus riding OR a lot of walking; you can get to the Carter Center, MLK National Historic Site, Cyclorama, and the Atlanta Zoo.
Note that there are car rental places just a few blocks from the Buckhead MARTA Station, at which I found rental prices far lower than at the airport or downtown. May or may not be worth the subway ride.
Atlanta is far more like Miami and Orlando than it is like San Francisco. The traffic is not fierce if you can avoid rush hours. I like the suggestion above to take MARTA when you can, then rent a car in Buckhead for the rest of your trip, probably returning it at the airport when you are finished.
A car would allow you to do anything you want outside mexico cruises the central city and to visit some of the towns within a reasonable driving radius -- Athens, Carrollton, Madison -- or even go to the mountains.