The interface seems a little sluggish at times and is not the most intuitive, but it works.

VERY slow interface, with tons of lag between button pushes

The interface is horrible compared to an ipod

But when coupled with a buggy and unintuitive interface such as on this unit, it becomes a major hinderance

Having to fumble with an unreliable and unintuitive wheel-based interface is not only frustrating, but also unsafe when I am on the move

The interface seems a little sluggish at times and is not the most intuitive, but it works.

One can bypass a slow interface in the car units

Just about 3 months later this player is now broken as the front dial came off.