It provides you with the ability to vary brew times to taste and for various coffees, something not possible with an ordinary filter/pour-over system. It's quick and easy to clean and no longer are you left with a pot of coffee that is stewing on a hot plate. Like the Aeropress, it is a great 1 cup brew method.
There are two crucial differences. The main one is all about the filter, the V60’s filter is much finer than the Chemex. This means that the time it takes to extract the essence of the coffee and, subsequently the brew time is reduced. Secondly, due to the ridges on the V60, the coffee passes through evenly which gives you more control over the brew time. The Chemex tends to flush out at once.
The choices will be between glass, ceramic or plastic. Glass and ceramic will be good for heat retention but this will also be reflected in the cost. In our opinion, as the V60 is a relatively quick brew, the difference is pretty negligible.