GPS unit that displays current speed and Bluetooth calling?

[nickmon]

I am looking for a GPS unit that will display the current car speed and also have a Bluetooth hands-free phone connection. I know the TomTom GO series does this, but I am looking for an alternative. Any ideas? Possibly the MIO Digiwalker 510/710, but as far as I can tell the speed is not displayed on the screen, maybe it can be customised?

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