Strong points:

• Shape and size caters to big-handed users
• Comfortable rubber coating
• Ergonomic grip with grooves for the ring and pinky fingers
• Cloth-wrapped cord
• Auto-fire function
• Four user selectable dpi settings
• Onboard memory
• Software doesn’t require installing
• Cord routing system

Weak points:

• Unfriendly and confusing software
• Scroll wheel doesn’t perform horizontal scrolling
• Thumb finger is hard to reach and press