It depends. Does it include future updates? Are they pushed out to clients automatically? Does it include product support? Is it at least as easy to use as the

It depends. Does it include future updates? Are they pushed out to clients automatically? Does it include product support? Is it at least as easy to use as the pirated version (i.e. no intrusive DRM)? Is it at least as easy to obtain? If you can provide a service that can't easily be copied for less, generally people will pay for it.