One thing the iPhone’s multitude of proper satnav apps don’t offer is live traffic updating from the SUNA traffic channel. If you have a dedicated satnav with traffic support, you can now avoid traffic in Canberra comfortably. And not just by getting the hell out of Canberra…Apparently the addition of Canberra brings Suna’s nationwide coverage to over 12,500km of Australian roads, and covers all main Australian cities. Considering that getting traffic on your satnav is a one-time expense when you buy your satnav, it’s a pretty solid reason for a standalone GPS device…