Decent mouse, not perfect
The superlight is an interesting product, with some very good features, but also a couple of drawbacks. Every mice in this class has a few drawbacks so no matter what you're going to have to make a decision on what you prioritise. First of all the battery life is very good, and is better than the RVU. The sidebuttons while better positioned than the RVU are a bit mushier, and right sided buttons were removed for weight reduction, so stay away if left handed. The weight is best in class (so far), though don't think that dropping from a 70 g mouse to a 60 g mouse will improve your gameplay.
The mousefeet has good coverage, but a little thin, just make sure you use the included PTFE puck. On my artisan hien it can feel a little rough at times on the stock feet depending on how much pressure I am putting on the mouse.
The shape is a safe shape, but maybe due to the shape of my hands (19.5x11 cm), I seem to be a bit more comfortable with the RVU over the superlight using a mix of fing