Here are some useful sites for further information on the GMAT and MBA
www.mba.com
Official GMAC site. Includes MBA program information, GMAT signup and information and application how-tos
www.gmac.com
The GMAT – Find out what you need to know about the GMAT – from what
How to Apply to Become Eligible to Receive GMAT Scores
www.ets.org
Assessment development and research organization. Directory of tests
www.businessweek.com/bschools/gmat
Useful general info about the GMAT
www.topmba.com
TopMBA.com – The leading information site for MBA applicants, students and the World MBA Tour.