No indoor antenna will ever give you the quality or reliability of reception that a good outdoor antenna will. If you are willing to mount an outdoor antenna, consider using a Winegard HD-7694P or an AntennaCraft HBU-22 aimed due south of your location (180 degrees) Either antenna will give you perfect reception of all of the available Atlanta stations with complete reliability and freedom from pixellation and dropouts.
No preamplifier should be used at your location because the levels of signal strength available will overload just about any preamp made. Either antenna will allow connection of at least 2 TV sets by using a simple passive splitter. if you want to connect more TV sets, use an amplified splitter like the Channel Master CM34xx series
Here is a good installation guide to help you along.
http://manuals.solidsignal.com/AntInstallGuide.pdf