For a limited time, the Graduate Management Admission Council will pay you $30 to try out new sample Analytical Writing Assessment (AWA) questions.
According to an announcement to registered users of MBA.com:
Participation requires approximately 60 minutes during which you will write two essays online. You may complete these two essays when you register online or at any time within seven (7) days of registration. You can participate from any computer with Internet access and a Web browser comparable to Microsoft