I'm thrilled with the build quality and feature set as well.

I'm thrilled with the build quality and feature set as well.  Read Less

Overall, much better quality and comfort than i expected.

Overall, much better quality and comfort than i expected.  Read Less

So again, i hope logitech will revisit the drawing board with the options software and revise/improve as necessary.

So again, i hope logitech will revisit the drawing board with the options software and revise/improve as necessary.  Read Less

The far-left (thumb) button requires a downward and sideways push with the thumb rather than just a downward push.

The far-left (thumb) button requires a downward and sideways push with the thumb rather than just a downward push.  Read Less

I felt like the price was a error or glitch because this mouse is incredible and the new versions which cost significantly more...  Read More

I felt like the price was a error or glitch because this mouse is incredible and the new versions which cost significantly more are simply not worth it.  Read Less

For the sale price, there's nothing else that competes.

For the sale price, there's nothing else that competes.  Read Less