What are some online resources to help me prepare to take the GMAT?
http://www.gmat.org/mba/taketheGMAT This is the official home of the GMAT, with answers to all of your questions about the logistics of taking the exam. The GMAC website also has practice questions, free downloadable test preparation software called POWERPREP, and a study guide that you can purchase. You can also regster here to take the test.