the Plantronics 320 (voyager?) fits my ear well, was dirt cheap (it's an older unit) and holds a charge very very well. the down side for me is that the charger is a little odd, there are not a lot of cheap car chargers last I checked, and the range is not that good at all. but I have 3, and I like them more than any other I've used. someone gave me a new( not yet on the market at the time) Plantronics unit (can't remember the model) and I hate the way it sounds. point being that everyone will have likes and dislikes about fit, sound and so on.

if I lost all of the units I have now, I would buy another 320 even with it's poor range.

hope that helps.