The Mionix Castor is a well built 6-button mouse that's comfortable in hand.
SpecsUpdate
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Pros
Pro Excellent accuracy
Castor has the highly accurate Avago 3310 optical sensor. There's no angle snapping, hardware acceleration or jitter. It's virtually flawless.
Pro Solid build quality
It has a solid build quality. The coating feels nice, and the mouse feels strong in hand. It's specifically designed for right-handed people. The 2 metre braided cable is light and very flexible.
Pro Customizeable lights
The glowing colors can be set to any color you like, using the software. You can also give the lights different blinking effects.
Pro Adjustable lift-off distance
You can change the lift-off distance based on your playstyle.
Pro Great software
Bug-free and easy to use software. It's an executable file, which doesn't even need installing. It has 5 profiles, color customization, macro settings and more.
Cons
Con Rubber pad attracts dust
The rubber coated pad on the left side gets dusty very fast.