<li><a href="http://www.sencha.com/blog/countdown-to-ext-js-4-dynamic-loading-and-new-class-system/">Dynamic Loading and the New Class System</a></li>
</ul>
<p><a href="http://www.sencha.com/products/extjs4-preview/" class="more-icon">Learn more on sencha.com</a></p>
<li><a href="http://www.sencha.com/blog/countdown-to-ext-js-4-dynamic-loading-and-new-class-system/">Dynamic Loading and the New Class System</a></li>
</ul>
<p><a href="http://www.sencha.com/products/extjs4-preview/" class="more-icon">Learn more on sencha.com</a></p>