For general use or very simple sites, Wordpress is a great option.
If you're looking for a serious adult CMS platform for running subscription sites as well as tube style pay sites, mobile, iPad and VOD sites take a look at
Elevated X. With frequent updates and more than 100 features it's one of the industry's most popular and most widely used pay site management systems of the past 5 years. You will not find anything else out there that's comparable.
The best part is that our product does it all right out of the box with zero customization needed.
Feel free to ICQ, email or call me at 800-690-9277 ext 1 and I'll be happy to answer any questions you have.
AJ