Yup. Before I went into independent consulting, five weeks was a non-negotiable point for me. And I largely went into consulting specifically to take more time off. Life's too short.
That's why I went into consulting as well: six weeks off a year was priceless to me. But I've recently accepted a permanent role again, with less time off than I've had in years, simply because of the huge salary.
It's a little humbling to realize that I had a price, after all.
Six weeks? Next year I'm taking twelve. ;) Maybe more. I've always wanted to aimlessly travel a little.
Taking a perm role for a big salary isn't a bad thing, either. That money can be turned into more time off (as long as you don't die first, but that's the gamble, right?). I'd personally rather take it up front while I'm young, but the other way around does work too.