http://www.globalpositioningsystems....scription.html
Mine last years equivilent of this, fantastic pce of kit, navigate from here to any euro location seamlessly (including ferry routes, I kid ye not, ships actually follow those blue lines including the corners!!!) dial the ferry company book tickets while on route...
This works for all POI's with number so call ahead book table, room, book tickets etc
The traffic management is a dream come true, diverts you round hold ups brilliantly.
Speed camera's (including average speed specs (gives you your average too...)
Onboard Outlook address database from your computer, route to contact and even ring them through onboard handfree...
Would I buy Mio again? definately....