I passed 70-229 (SQL Server Design) with a whopping 770, but I wasn't really prepared. In fact, I was distracted at work because I had to go help some user that took nearly an hour. I called to reschedule my test, like 10 minutes after I was supposed to have started it. They tried to call and get it rescheduled, but it was too late for the testing center to do anything about it. So they said I could try, but when I did I realized the Thomson Prometric phone system is automated hell (no matter how hard you try, you can't get a real person to come on when you need them the most). I had only been through 1 of the transcenders, and I didn't feel prepared at all (other than going through all of the course material and having some good hands on experience). I really wanted a better score (above 850), but hey, I can't complain. Passing is...passing.
So now I have one test left for MCSD, 70-300 *the hard one*