Excerpt: (1 items) While a 4.3-inch screen has become the standard size for personal navigation devices, the upgrade to a 5.0-inch screen can make a significant difference. TomTom has two series of XXL products with 5.0-inch screens, the XXL 540-TM and the XXL 550-TM reviewed here. At one time, such an upgrade carried a huge premium, but no more: Now the premium can be as little as $40.
Pros: Sensible routes from TomTom's IQ Route, Generous database of 7 million POIs, Live traffic receiver integrated into power cable on traffic-enabled models
Excerpt: The TomTom XXL 550TM is a 5” widescreen unit in the XXL 550 series, and is the first 5” model to incorporate their new new EasyMenu, which debuted in the US on the TomTom EASE. The TM stands for lifetime traffic and maps; the 550 is also available in a base edition , and ones with just lifetime traffic or maps .