Adam Bien's Weblog
Creating Java EE 6 Projects With Maven 3--In 3 Minutes (Screencast)
Java EE 6 projects can be easily created from command line. You only need Maven 3 for that purpose:
See also a "transcription" of the screencast in my post Kickstarting Real World Java EE 6 Projects With Maven 3.
After the initial euphoria you should also take a look at Trouble With Crippled Java EE 6 APIs in Maven Repository And The Solution :-).
Summer Workshops: From Java EE 7 Bootstrap and Effective Java EE 7 to Java EE 7 Architectures