It's made by science again. Even the designers for the 458 said the got lucky when they made it. Ferrari is going away from first making the car look good and then trying to make it aerodynamic etc.
I remember Top Gear saying, the designers know they got lucky, it was chance that the science made the 458 look so good.
As for the lines, the lines are there for air slow. Would I say its the nicest looking car? No. Would I say it's ugly? No. Would I shy away from someone giving me one? NO!
I've got to say... Doesn't look to ugly to me: