"Islam preaches SOLA SCRIPTURA."
I'm not jumping in your discussion with k2blader but if you are going to make a statement, make sure you know what you are talking about.
Islam does not preach SOLA SCRIPTURA. They teach the Koran and the Hadiths (some are given more importance than others). The Hadiths were written by others(including Mohammed's child-wife) that included new rules and such that Mohammed supposedly said, liked, disapproved of, etc. The Prostetant church does not resemble this arrangement at all. Hadiths would be closer to your Traditions.
According to this site, there are 10,000 Hadiths and second only to the Koran.
http://www.islam-online.net/English/introducingislam/Prophet/Said/article01.shtml
Thus Protestant Sola Scriptura is in line with Islamic theology.