LSC Release Calendar

calendar.php

<?php 

class LSC_ReleaseCalendar_Block_Calendar extends Mage_Core_Block_Template 
{    
    public function getReleasesCollection()
  {	
		$preorderAttribute = 'preorder';
		$preorderValue = 'yes';
		$products = Mage::getModel('catalog/product')->getCollection()	
    		->addAttributeToSelect('*')
    		->addFieldToFilter(
        		$preorderAttribute,
        			array(
            			'eq' => Mage::getResourceModel('catalog/product')
                        	->getAttribute($preorderAttribute)
                        	->getSource()
                        	->getOptionId($preorderValue)
        		)
    		);
		foreach ($products as $product) {
			echo $product->getName();
			echo $product->getReleaseDate();
		}
	}
	
}