I find it looks great, came in here expecting a bastardized Ferrari, but this one suits the car very well.
Personally, if I had a great car like a 458, I wouldn't modify it because it would lose it's value, especially if you go riveting CFRP overfenders and drilling holes everywhere, but I still love the looks of these renders.
Perhaps if you were rebuilding a smashed one, then it'd be alright I guess, because unless going through incredible feats to get all original specs for everything, the car would still never be like an original, so why not change it to something that stands out.