Here is the URL for Catalyst 3850 Technical Deep Dive presentation delivered during CiscoLive 2013 (London) where this product was announced.

Catalyst 3850 Technical Deep Dive

This session covered following technical topics in detail & you can get a understanding of how this platform architectures to do all of cool stuff introduced.


Update as of 7th March 2013

I got an opportunity to go for few Breakout sessions about this topic during CiscoLive Melbourne event. Those sessions are really informative & give you great insight of this new switch/controller platform & how we should design solutions with this new architecture.  Here are the pdf of those presentations & I will post the link if recorded sessions available through Ciscolive365.
1. BRKEWN-2662 Converged Access Mobility Design & Architecture
2. BRKARC-2665 Converged Access Architecture Overview
3. BRKARC-2666 Converged Access Campus and Branch Design Guidance

Cisco recently set up private user group called my3850 where you can join & learn about this product platform.