Garmin is best known for its in-car navigation systems, but today delved deeper into the realm of personal navigation with a brand new iPhone app for the eternally lost. For a dollar, you'll get standard walking, driving and public transportation directions, but go premium for $2.99 a month or $29.99 for the year, and you'll cop more add-ons designed to transform your iPhone into a full-fledged PND. Like the standard iPhone mapping system or HopStop, the subscription
