Following the Microsoft model, the next generation of hardware seems to always make up for the next generation of features. We tend to accept the it does more excuse for it needing newer, bigger and faster hardware.
Generally, pull is what I want. That is, I want to go out and get what I am looking for rather than having it rammed down my throat. But I have had people telling me that they want push.
If you want to hear the podcast, it is at http://www.richsoil.com/permaculture/244-podcast-024-returned-mac-got-pc... . While the podcast stands on its own, I have some observations and comments.