Review unit supplied free of charge by Steelseries. Steelseries have been on a roll really, pumping out a bunch of solid mice, keyboards and headsets that have all done rather well critically and commercially. The Rival series of mice in particular has got a lot of fans, and indeed it wasn’t that long ago I reviewed the Rival 700 with its little OLED screen. You should go read that review. Really. Do it. So now it’s time to gets all handsy with the Rival 600, a mouse that’s a full 100 less good than the 700, right? That’s how it works, yeah? It’s 2018 so we have to have that light-up bling, but this time Steelseries have upped their game with a total of eight points of customization, with the two thick strips atop the mouse each getting three zones to play with via the Steelseries Engine software. With this you can create some nice color blends or just slap the whole thing onto cycle mode so that it becomes a rainbow of color that is sure to attract any nearby unicorns looking for a...