AAMC Practice Tests - This is the official web site for MCAT Test. You can some online practice MCAT Tests and loads of authentic information about the MCAT Tests.
MCAT Study Plan - You can download a good sample study plan for MCAT Test. This will be helpful in your MCAT Test preparation
MCAT-Prep.com - This web site offers MCAT test preparation products
MCAT Forum - A good place to discuss about MCAT online.
Peterson's MCAT Preparation - Offers MCAT test preparation books. Practice MCAT is available for download.
Examkrackers - This site offers advice, books, and a prep course for the MCAT.