This thread was helpful for me as I was preparing (I was a nervous wreck before the exam) so I thought I'd share my experience as well. I scored a 750 on the real thing today (50 quant, 41 verbal). Here's how I did on GMAC practice tests: GMAT Prep Exam 6: 750 GMAT Prep Exam 5: 740 GMAT Prep Exam 4:...