Do they share the same sensor and circuit design ? I don't know why but the 3.0 feel better than the 1.1.
http://red-line.com.ar/store/img/p/11-65-thickbox.jpg
http://red-line.com.ar/store/img/p/15-82-thickbox.jpg
Those are the mice in case you don't know them.
http://red-line.com.ar/store/img/p/11-65-thickbox.jpg
http://red-line.com.ar/store/img/p/15-82-thickbox.jpg
Those are the mice in case you don't know them.








