People just want an affordable desktop that you can easily expand over time. At $6000 just for the starting model, in my head I'm already planning to move back to Windows. The only major thing I might miss is iCloud. The cheese grater lineup is still the best incarnation of the Mac Pro overall.
People don't want to be forced to buy an integrated screen, nor do they want a headless laptop, and not everyone can live with a laptop alone. In other words, I don't want a semi-powerful machine trapped in amber or a larger version of an iPhone / iPad.
I just have to figure out a good replacement for iCloud and its related apps.