The problem we have is that speed alone won't cut it. They need to be able to bowl accurately too, have a bit of nous if the pitch is slow or their pace drops over a long day and also stay fit. Wood, for example, looks great on a quick pitch in his first spell zipping it past peoples throats but after his first spell he rarely looks threatening as he doesn't move the ball. The last part is where we seem to have the biggest problem though, the 4 quickest county bowlers over the past few years (Wood, Mills, Meaker, Footit) are never fit for more than a month at a time, I know Mills is a long standing condition so that rules him out but would you have any confidence in keeping any of the others fit over a full Aussie tour? Finn has the same problem, he was rapid before he changed his action but he's always injured too.