Brent offered some good advice about fundamentals - will this be your primary residence?
For fixer upper "bungalows and tudors"...
Under $100,000 - Vine City, parts of Southwest Atlanta, Lakewood, parts of Decatur
Under $200,000 - Edgewood, Reynoldstown, East Atlanta, East Lake, Decatur Terrace, Avondale Estates
Under $300,000 - Kirkwood, greater Decatur, Grant Park, Ormewood Park
Under $400,000 - look for better school districts like Mary Lin, Jackson, charter school access...Lake Claire, Emory area, Loring Heights, Home Park, too many to mention
Under $500,000 - Virginia Highland, Garden Hills, Peachtree Hills, too many to mention
Over $500,000 - take your pick
Get your real estate on.