The Rosewill RK-9000 remains one of the best value keyboard on the market, especially now that they are available in several different types of switches. Be you gamer, typist, or some combination in between, the Rosewill RK-9000 puts one of the best mechanical keyboards out there under your fingers. We test the Rosewill against several other mechanical keyboards to find out it compares, and in the process, deep dive into the mechanical keyboard universe.