The Pronto Professional TSU9800 offers everything that the TSU9600 does - only more! You get a large 6.4" 640x480 color LCD screen, two additional hard buttons, 64mb of memory, built-in WiFi and optional hard wired Ethernet, rechargable Lithium Ion battery and docking station, two optional extenders, plus a whole slew of advanced capabilities enabled with the ProntoEdit Professional software package.