Get one that plugs into your USB port, use a 4-6 ft usb cable and place it on your dashboard, and save yourself a ton of money over the overpriced Bluetooth receivers.
Wireless Mouse 2.4 Ghz - $13
Bluetooth Wireless Mouse, 2.4 Ghz - $50-$60
Why does Bluetooth cost more?
Because they know people will pay for the faddish name when both mice are the same complexity and operate essentially the same. Cripes you can buy a USB Bluetooth dongle for 5 bucks on eBay proving they are dirt cheap to make and the price they charge for most Bluetooth devices are inflated. Other than Bluetooth headsets you can do the same thing for much less. There's no 'magic' in Bluetooth it's just another data standard for 2.4 Ghz data transceivers just like WiFi and such
If your Acer One has the 3G modem option then you can use the internal GPS built into the modem with just a little bit of effort to enable it
Netbook To Chartplotter Project