[olalonde]

The Javascript Garden[0] is my personal favourite although it's targeted at people who already have some Javascript background.

[0] http://bonsaiden.github.com/JavaScript-Garden/

[rbazinet]

I'll definitely have to add this one to the next roundup. I wasn't aware of this one and it really looks like a valuable resource. I love sites like this that point out tips and tricks.

Lots of good stuff in there.