WP89.com presents a HD (720) video on WordPress 3.2 preview:
http://www.youtube.com/watch?v=T7nA6N69DFM

This is meant for those who doesn't want to install WordPress 3.2 beta version yet so they can get prepared for their upgrade.
Something we cannot show you here: better performance.

Next, we are going to show you the most talked about "Full Screen Editing Mode of WordPress3.2 for Distraction-free Writing"