Assuming everybody here owns a KPA I'm kind of surprised by this question. But I do find the different responses very interesting. Especially when it comes to perceived value.
Speaking for myself, I've never owned any piece of guitar gear where the manufacturer constantly updates it for free, adds new features, the customer service is stellar, the sounds are phenomenal and always repeatable. There's literally thousands of sounds to be had for free. And you can buy profiles of practically any amp ever known to exist. Plus you can make your own. What's that worth? What else does this?
It's worth every penny Kemper asks for.