Newf2islam

Websites to know about Islam :
http://www.beconvinced.com

http://www.islamtomorrow.com

http://whyislam.org/

http://www.shareislam.com/

If you would like to know more about the Prophet Muhammad, may Peace be upon him :

http://www.rasoulallah.net

Or about some scientific miracles in Quran:

http://www.science4islam.com/

For the serious students:
http://www.islamlecture.com
or 
http://www.kiu.org

Dropbox referral link to give me and you an extra 500mb of storage: http://db.tt/9c80gRXl