Where Should You Go from Here?
I heartily recommend learning all you can. Read some of the ancillary documentation linked off the Snort homepage. Join the Snort mailing lists, and/or read the archives. The Snort mailing lists are chock-full of great information on deploying, monitoring, and maintaining Snort sensors from beginners, advanced users, and developers.
Read up on tools, incident response tactics, and other security concerns at security-related Web sites. The arachNIDS database Web site (http://www.whitehats.com/) is an excellent place to start. Another informational security related Website is SecurityFocus.com (http://www.securityfocus.com/).