Mio Digi Walker-Model C220

Purchased this product on a recommendation from a friend.

Easy navigation features. Signal reception is fairly quick and constant. Recalculates instantly if you happen to "ignore" the spoken directions.

Unit could use a louder speaker. If windows are open while driving at higher speeds, it becomes harder to hear spoken directions, even when turned up. You may use a FM transmitter, or headphones to solve that issue. Does  give a nice advance warning of upcoming turns.

Preloaded maps are pretty much up to date, although we have had an issue or two with the unit wanting...