Depends on your situation mate............tbh at the moment i wouldnt because sometimes i need my car for long journeys.
5's break ALOT easier and more often than our cars fact, specially the ones that are running loads of power!
Should be getting a company car soon so im thinking of getting a mint frst when i do so i can put it in the garage and use it for personal pleasure and wont be relying on it soley!
5's are great for straight lines and will embaress lots of bigger power cars......Even the ones that arnt running all that much extra power seem to be good!