Polycom Performance - State of the Art
   1. VSX 8800
   2. VSX 8400
   3. VSX 8000
   4. VS 4000
   5. iPower 9000 Series
   6. Executive Collection

Polycom Mainstream - Best Sellers
   1. VSX 7800
   2. VSX 7400
   3. VSX 7000
   4. ViewStation FX
   5. ViewStation EX

Polycom Entry - Essential
   1. VSX 6000
   2. V500