New pro/con: Small wireless receiver
New pro/con: Wireless
New pro/con: Quiet buttons (some of them)
New pro/con: SetPoint software requirements
New pro/con: SetPoint software requirements
New pro/con: SetPoint software features
New pro/con: Quality of the product
New pro/con: Batteries can be replaced (2xAA)
New pro/con: Invisible laser light
New pro/con: Profiled for 2 smallest fingers rest
New pro/con: 3 buttons under thumb
New pro/con: Tilt wheel
New pro/con: Scroll wheel can be switched between 2 modes easily
New pro/con: Only for righ hand
New pro/con: No extra support bellow small finger (like it is for the thumb)
New pro/con: Can be too large for users with small hands
New pro/con: A little high
New pro/con: Zoom i+/- buttons cannot be configured