Lots of complex software systems are sold this way, allowing customers to add-on features a la carte. I don't see that as a bad thing -- allows people who only

Lots of complex software systems are sold this way, allowing customers to add-on features a la carte. I don't see that as a bad thing -- allows people who only need a subset of the functionality to only pay for what they need. Oftentimes, the functionality is sitting there waiting to be unlocked.