hi wanting a gps for my trip with my daughter in the summer,new to gps not a clue about them,been looking at a quest 2,says its got preloaded detailed road maps of all of western europe.does this mean iwill not have to load any B roads on it twistie roads ect as most of my travelling through germany,italy,spain,and france will be this type of roads,i can get the quest 2 for 480 pound with bike mount,will this be ideal for my trip,it also says it holds a extra 360 mb !thanks all 