I agree with your friends. I too was where I wanted to be about a week ahead of time, and I think it's a good idea to cool it a bit. I took the test Saturday, but I think my last full length was Monday or Tuesday. I reviewed things I was still a little shaky on, and maybe did a practice section or two on Wednesday and Thursday. Friday was off, and I hit it out of the park on Saturday.
There's definitely a tradeoff where you can trade some study-time to be in peak physical test-taking shape in the last couple of days. If you're the kind of person who won't drive themselves crazy with very light studying a couple of days before; I recommend scaling back significantly.