Dale Yocum and the Oregon Robotics Tournament and Outreach Project (ORTOP) have released a series of online Ev3 video tutorials

The tutorials are organized into two groups, Essentials and Advanced, and are a great way to get going with the new NXT software.

EV3 Introduction

18 minutes, a thorough and detailed explanation

More Action Blocks

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Loops
2 minutes

Wait Blocks
5 minutes

Switch Basics
4 minutes