We recently reported that a growing number of cars are offering head-up display ... but it requires the purchase of maps from Garmin StreetPilot or Navigon, which start at $29.99.

If your only experience with Garmins is from that one rental car a few years back ... [facklere] used KMZfactory, a free map editor for Garmin maps that goes the extra mile to split the tiles ...

Of course, those dedicated navigators still offer some features you can't (yet) get elsewhere, such as the Darth Vader or Dennis Hopper voices for TomTom and downloadable vehicles for the Garmin Nuvi.

The entry-level Garmin Drive 52 can be bought with maps of just the UK and Ireland ... where he covers topics ranging from classic cars and men's lifestyle, to smart home technology, phones ...