I have been using Adobe Captivate for years and I am pleased with the features added with each release.
One thing I like about Captivate is it supports thinking outside the box. There are many options available to allow you to deliver custom projects. I have created software simulations, interactive games, corporate training and just about anything that I can think of.
Captivate gives me the ability to creatively present ideas and content. Clients are always looking for ways to have their training interesting and engaging and Captivate allows me to do that quickly and easily.
Another aspect I like about Captivate is the community around it. I am always able to get useful advice and questions answered from the forums, users are always willing to share.