I have two of these maps from the The Future Mapping Company. They’re stunning in both color and detail.
From The Future Mapping site:
This is an alternative and thought-provoking vision of our planet, using an equal-area projection to represent countries in their correct proportional size (something which a lot of maps don’t do).
Update:
Future Mapping has wallpaper maps. Oh yes, we’re getting one of these.
+ Source: The Future Mapping Company