I would be interested in others' comments and recommendations. But maybe someone with a smaller marketing budget has a better product or lower prices. So I look around a bit. But there do seem to be people out there who like it. Their Web site is certainly much more informative than the others.
Functionality is pretty limited.
Seems to be designed more for things like UML, with attributes stored in the objects and so on. Line routing not very sophisticated. Apparently the basic bitmap and vector editing engines are very old. Their main claim to fame appeared to be that they supported Unix as well as Windows. Visio is unusable, needing to repick the shape a lot of times, difficult to create new shapes etc.