My logitech V200 mouse is more than 3 years old. Recently it acts a bit strange, basically the clicking does not work very well: for instance, when I intended clicking once, it will click twice, vice versa. So I was looking for a replacement for some time. I found the VX Nano is a good one.
(Left: the new VX Nano; right: the old V200
Price and Review
Bought both from Amazon.