I agree with Allen. There are a lot of great areas in Nashville. Personally I like the Belmont area, Hillsboro Village, 12 South, and 5 Points. They all walk-able to restaurants and stores, which is a big plus. More suburban areas with larger lots that I like are Green Hills, Crieve Hall, and West Meade. I've left out a lot of great areas. These are just my favorites. They also happen to be popular, and are all selling quite well lately.
Hope this helps.
Village Real Estate