Apparently, there are freaks out there who actually like them. Take a peek a Dr. Seward's site to view the work of the totally obsessed. I think he'll also sell you one of the horrid creatures if you talk nice to him.
For those of you who are unlucky enough to live in Arizona, or are foolhardy enough to consider a visit, click here to find out what to do in the event of a Gila monster attack.