Looks like Godiva is the most popular brand out there. I think is good but I would not rate it the best. Teuscher, Leonidas, Neuhaus and Daskalides are better, in my humble opinion.
Arguably it seems that Belgian chocolates are the most popular. I grew up thinking that Swiss are the best. Has anybody tried French chocolates? I have been in Paris many times and never has it occurred to me to try "Maison du Chocolat", FAUCHON, HEDARD or LENOTRE (this is shameful considering that I have studied the Culinary Arts). Oh well, the world is full of ironies.