Originally Posted by Quirk
It somewhat depends on the cut of the suit and the boldness of the pinstripes, but again, I'd say if you have fewer than 5 suits, you'd do better to avoid it.
Let's put it this way, if a suit makes you say "Damn! Sharp suit!", be sure you have a deep enough wardrobe that you can wait a couple of weeks between wearings. Properly tailored and accessorized, a well-fitting, good quality but otherwise unremarkable suit...