I'm in agreement with pretty much everything I've seen. I used 0 supplements this semester, did my reading consistently throughout the semester, saved most of my outlining for the last month or so, took a bunch of practice tests during the day or two before the exams, and ended up top 5% for the semester.
My biggest point of emphasis from last semester (where I was "only" top 20%) was focus. When I set aside a block of time to work this semester, I would work--not surf the net, not daydream, but read, focus, and make sure I understood everything I was reading. I switched from typed-up briefing to book-briefing second semester (although for some classes, I briefed the cases during class while professor was rambling or asking obvious questions), and I think it really helped, because I wouldn't decide to check email or surf the net or play poker while I was working.
I think relaxation is very important--for me, the key to relaxation was feeling prepared. If you've gotten behind on your reading during the semester, it's hard to relax because the test is going to be throwing things at you that you feel like you should know, and it breeds a cycle of freaking out, losing concentration during the exam, then freaking out because you've lost concentration. If you feel like you know the material well, and get a little practice applying it to new issues (taking practice tests) in the few days before the exam, this will really help you relax.
Believe in yourself, not in the hype. Good luck.