Originally Posted by OrangePower
^^^^^ Not just up to 4.0; I know several 4.5 players that win primarily through consistency, not having any major weaknesses, and smart play. They don't have 'weapons' per se, but still can get good results depending on the matchups.
I know a guy who played 4.5 (now 4.0, where he is among the best) with the strangest technique you can imagine. Every shot is a slice and he barely ever hits a winner. Yet he is quick and barely ever makes a mistake either.