For those not just serious about sports, but obsessive, the Polar V800 GPS Sports Watch promises to have you performing at your peak. The wristwear of choice of top athletes such as former Ironman World Champion Frederik Van Lierde and biathlon great Kaisa Makarainen, features include orthostatic and fitness testing, calories burnt counter and programmable personal training plans. It’ll even tell you how long you should rest before your next session for optimum recovery.