Online journals:

Al Jadid (Arab arts and culture), http://leb.net/~aljadid [1]

Banipal (modern Arab literature), www.banipal.co.uk [2] 

Persian Mirror (modern Iranian culture), www.persianmirror.com [3] 

Saudi Aramco World (historical and contemporary culture in countries with Muslim populations, e.g. just about anywhere but predominately Asia), www.saudiaramcoworld.com [4]

Click on attachment for sample annotated bibliography of additional Middle East resources.