The basic Polar model is what I started with and it was perfectly good enough. BUT there is the Garmin Factor. I have an Edge 305 and it is a cyle computer that gives me all the information I need. As a computer it is marvellous and will also give extra readings that are usefull. Gradient of slope- elevation climbed- aswell as the usual computer functions. You can also get a cadence monitor and a heart monitor as extras aswell so if you want or need a good computer aswell as a heart monitor- Then the garmins do take some beating.