There are a lot of very good Joomla tutorials available on Joomla Tutorials.  This site by Brad Baker, one of the Joomla Core Team and a principal of Rochen, a premiere Joomla hosting service.

They have a series of animated tutorials here:   http://www.joomlatutorials.com/joomla-15x.html.

Compass Designs has an excellent collection of tutorial articles. They are well organized, and well written.

And you would expect this to be so since the staff there are authors of several Joomla user's guide.  Plus, he has a more comprehensive user's guide for sale on his site.  Visit them at the Compass Designs tutorials here.

MyJoomlaCast.com has a very good collection of Joomla tutorials on video, including voice. The videos are large and the quality is quite good. The site is free, but requires registration. Follow this link to the site at www.myjoomlacast.com.

 

Sean Cook and his team at Salyris Studios have put together a good collection of video based Joomla tutorials.  They are well organized and include tutorials on some of the more common components and add-ons.  Very helpful stuff here. http://www.joomlatutorials.salyris.com/

Joomla for Beginners is a great site with a lot of Joomla video tutorials. You can even download them to your computer so you can watch them offline. Recommended. http://joomlaforbeginners.com/joomla-1.5-video-tutorials/index.php

Well known template provider RocketTheme also has a a good selection of Joomla tutorials on their site.   Some are specific to their template, but many are good overviews of Joomla in general.

 

www.rockettheme.com/joomla-tutorials/video-tutorials

Siteground is a Joomla friendly web hosting service that offers a number of very helpful Joomla resources.   These step by step articles are quite helpful.

 

www.siteground.com/tutorials/joomla15/index.htm

Joomla core team member Andrew Eddie offers a number of Joomla tips and tutorials on his site, The Art of Joomla.  As you would expect from a core team member, he tackles some topics that others stay away from.   Good stuff here.

www.theartofjoomla.com

Joomla Shack is a quality template provider.  In addition, they offer "Joomla University" with a good series of articles and tutorials to help you get the most from your Joomla site.

 

http://www.joomlashack.com/tutorials

Joomla Kahuna is a commercial service that offers a series of Joomla video tutorials for about $ 30.  I have not seen their stuff, but they offer a money-back guarantee if you are not satisfied.

 

JoomlaKahuna.com