jQuery 1.4 Released: The 15 New Features you Must Know | Nettuts+
http://net.tutsplus.com/tutorials/javascript-ajax/jquery-1-4-released-the-15-new-features-you-must-know/
jQuery 1.4 Released – The 14 Days of jQuery
http://jquery14.com/day-01/jquery-14
jQuery 1.4: What you need to know
http://ihumanable.com/jquery/presentation.html#slide1

jQuery 1.4: What you need to know - http://ihumanable.com/jquery/presentation.html#slide1