Mudbox: Old Man Head Timelapse
A very fast timelapse of a head made by Sekneox over at youtube.

Author: Steffen Unger
Covers: Digital Sculpting
Detail: timelapse
Site: Youtbe.com
Running Time: 7 min 02 sec

XSI: How to make Hierarchies
How to make Hierarchies in XSI

Author: i3dtutorials
Covers: Hierarchies
Detail: Step by Step
Site: Youtube.com
Running Time: 4 mins 12 sec

ZBrush: Basics
This great tutorial covers some basics in the process of creating and editing mesh using ZBrush.

Author: Jessie
Covers: Digital Sculpting
Detail: Step by Step
Site: Youtube.com
Running Time: 19 mins 05 sec

Cinema 4D: Mega Basics (Part 1)
A great and clear tutorial about getting started in Cinema 4D, in part 1 navigation, basic interface, simple modelling and changing colors.
Author: mdotstrange
Covers: Basics, Navigation, Polygon Modelling
Detail: Step by Step
Site: youtube.com
Running Time: 12 mins 20 sec

Cinema4D: Modelling a Jet
The guys from cinema4d.co.uk/demo take us through the building of this Jet in this clear tutorial.

Author: cinema4d.co.uk/demo 
Covers: Polygon Modelling
Detail: Step by Step
Site: Youtube.com
Running Time: 9 mins 52 sec