It's okay to be a perfectionist, but I find those kind of people are often the most unhappy because it never turns out to their satisfaction. I know this for a fact because I am one. I'm dealing with some it-doesn't-look-like-I-want issues right now with my Jolly Roger Merc, '49 Shoebox, and '53 Stude. So I'm in a bit of a funk now building wise.
The only relief I get from this is building a rat rod or beater where perfection is never the goal but rather the opposite.