If you do decide to get a humidor, I advise that you read these stickies first:
A Basic Humidor Buying Guide
http://www.cigarasylum.com/vb/showthread.php?t=621
Properly Seasoning a New Humidor
http://www.cigarasylum.com/vb/showthread.php?t=620
The stickies in a forum tend to be important pieces of wisdom handed down and debated over time. They are well worth reading. Most of how I handle my cigars today is based on what is in various stickies here.