As far as aesthetics are concerned, I agree that the Raymond Loewy PRR GG-1 is the most beautiful electric locomotive ever built. The New Haven EP-5 electric is notable but, in my opinion, a distant second behind the GG-1. Other streamlined electric contenders are the New Haven EF-3 and EP-4. I particularly like the look of boxcab electrics, especially the New Haven EP-3, but don't think it will get many votes as most beautiful.
MELGAR