Looking up for Joomla resources online is not very easy, especially if you are a developer! The 1.5 framework, gives you a big library which includes classes for many diferent purposes.
A realiable source of content for a Joomla developer certainly is:
http://www.joomla.org
http://developer.joomla.org/
http://docs.joomla.org/
Those sites are key elements for you Joomla 1.5 learning. At the moment I've been working with some smal and medium Joomla projects, that are requiring me a good knowlodge of the framework. I hope to share some of this knowlodge in this blog on future postings!
A while ago I also found the Australian Joomla Community site.
The Aussie community is putting lots of efforts on the web site, you can get access to the forum and join the Group Meetings around. At the moment they have around 250 users discussing different topics on the forum.
I am sure is a nice entry point for all kind of Joomla fans!
On furtther posts I will give more examples for the 1.5 Joom
