Garmin NuVi 770 SatNav. I purchased mine 2nd-hand as a replacement for a Mio 269 DigiWalker for witch I could no longer obtain any updates. The one thing that made me decide on a 'Garmin' as the replacement was the fact that unlike any other maker, Garmin has no cut-off point for product updates. so in 5 years time, I'll still be able to buy maps for it. The 770 has all the bells and whistles, from basic navigation, through to auto-re-reouting based on traffic reports received from the built-in FM receiver. The 770 comes without any mains charger, but you can easily charge it from a USB port, so there's no need to fork-out on a separate ...  Read the complete review