Here in Croatia we have best experiance with DHL. Rather expensive, and they sometimes forget about your package once it gets stuck at customs (happens with, for example, a piece of paper (software license) billed at several tens of k$ :), but otherwise delivery is OK, tracking works, and they use only their own employees.

Dragi "Bonzi" Raos
Zagreb, Croatia
#5196
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Dragi "Bonzi" Raos Q#5196 MkII #080000376, 18GB green MkIIa #040103247, 60GB blue