I took the Manhattan GMAT 9 course in-person class towards the middle of 2011. Overall excellent instructors, books, online tools (lots of analytics to help you pinpoint where your weaknesses are, etc.)
Overall great program and highly responsive instructors. Note there is quite a bit of outside the classroom work, but overall the class truly teaches you the core fundamentals on how to score well on the GMAT.
One thing I also liked is the ability to view archived classes online in case you need a refresher (I believe this is valid for up to 1 year after you're done with your classes) - this is huge in case you want to re-review what was taught in class or missed a class.
The class is on the expensive side, but paying a small premium to achieve your target score was well worth it for me.
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