Suit or Tux?

I am about to get married and I have a big decision to make. I need to choose between getting a custom suit or a custom tuxedo. Now, because they're both custom, they will both look great. But the problem with the tuxedo is because its so formal, its not a very versatile outfit. On the other hand, I will be able to wear a suit to any regular "dress-down" occasion. So what should I do?

Thoughts?