I don’t think anyone should ever settle for anything less then what they want. It’s just not fair to yourself to say “Well, I guess this is sufficient” when you could push further and get what you want and what you need.
This is one of those goals that you can never really take off your list, though. It’s a goal that you have to use throughout life. I haven’t settled for less at this point in life, but who’s to say I won’t settle when I’m 75? It’s a lifetime commitment, and this goal will probley be on my 43 Things until I pass on. And I think it’s a good thing.