Cloudmade's OSM Error Edition maps of Swaziland
Basic map based on OSM data of Romania by Rodrigo Moya
MTB and hiking focused map of Norway based on OSM data
Very nice and completely routable maps based on OSM data by Lambertus
Nice topographic map of Yunnan
This is a collection of nice topographic maps from Afghanistan. They feature roads, rivers, settlements, POIs and contour lines. They also provide english transliteration of the names.