Read widely: http://www.jiskha.com/search/index.cgi?query=orientalism
Here are some excellent websites that will help you with the writing process, researching, etc., especially for an argumentative paper (and what to do with that opposing view).
Go to Argumentative Essays across the top.
Click on Step by Step for the process. Click on Info Search for help with researching.
Use this for everything! The table of contents listed in the column on the left will help you immensely.