Razer long ago established itself as one of the premier brands in computer gaming hardware. Now it’s really digging down into the nitty-gritty of it all with its most recent BlackWidow keyboard ($80-$140). The external design of the three keyboards in the line goes back years, but it’s what’s inside the most recent editions that’s noteworthy. Razer has come up with its own mechanical switches, and says they make for a better…
