Hi ,
I just joined Knewton GMAT online course. They look very promising especially 50 points money back. You can try 1 week for free and attend free class also. They are offering $100 off for referral. Let me know if any body interested in this, I can refer to you guys, you will get $100 off ($690-100=$590). When you refer your friends, you will more no.of $100 offs.
please email if you are interested to [email protected]
Thank
Sachin