Pictured: Chatsworth Apartments in Roswell, GA, one of two communities sold earlier this week by Titan Real Estate Investment Group and Investcorp International.While shiny new apartments in Atlanta's Midtown and Buckhead areas garner more attention, its the decades-old multifamily buildings in the suburbs that are catching the eye of value-seeking investors. In the past eight weeks alone, investors have snapped up several large, 1970s- and 1980s...