Chris, Don't worry yet. If you've only had him for a couple of days it's not surprising he hasn't eaten yet. Sometimes it can take a couple of weeks for a new snake to settle into it's captive environment. Relax, read some of the threads, check out the care sheets in the article section.
http://www.thamnophis.com/caresheets...ake_Care_Sheet
Any worries, feel free to ask, this forum is full of knowledgable, freindly and helpful people, who will be only too willing to answer your questions. Enjoy the forum, and welcome!