Panasonic unveils DMC-ZS7 / TZ10 with built-in GPS: Digital Photography Review Panasonic has unveiled the Lumix DMC-ZS7 compact superzoom (TZ10 outside the US) with GPS that geo-tags and identifies over half a million locations. The latest in the popular TZ7, TZ5, TZ3 series, it also gains the company's 'Power O.I.S' image stabiliza