Best GPS Devices - Touch Screen User interface, 3D Map View Special Features, Internal

'TomTom's trademark mount can be tricky to tighten, but it helps keep the unit simple and compact despite its large display.'

'A now-standard 4.3in touchscreen is easy to see, even in direct sunlight, and the interface is intuitive - more so, given that you can limit what menu options are shown onscreen.'

'Generous database of 7 million POIs. '

'The service operates on AT&T's EDGE network and is free for the first two years of ownership, after which users can elect to pay a $5 per month subscription or use the Nuvi without the connection.'

'Very slim enclosure'

'The prices seemed accurate in my sampling, but you can't search for the cheapest fuel price other than by scrolling through the list.'

'Best Sat-Nav.'

'Real-time traffic and weather information'

'built-in antenna'

'full voice instructions'

'And the AVIC Z-1 goes one better by incorporating a built-in 30GB hard drive enabling users to rip CDs to disc to create a mobile media library. '

'high performance features'

'Pioneer AVIC-Z110BT has an incredible amount of features.'

'Expansion options are nearly unlimited, with iPod support, SD card support, and even connections for a rear-view camera.'

'for the most part the controls were intuitive and easy to use.'

'Great touch screen interface'