Basically, the High Performance versions will include extra additions not available on the Traditional guitars, such as G-Force tuners, upgraded nuts and pickups.
The S Series consists of five guitars, the SG Fusion, the Les Paul Custom Special, the Les Paul Custom Studio, the Firebird Zero, and the Gibson M², which are available in a range of finishes. Though the range is priced for the budget market, the guitars are all USA factory made.
For more information head along to gibsonami.com.