$items = Mage::getSingleton('checkout/session')->getQuote()->getAllItems();
foreach($items as $item) {
echo 'ID: '.$item->getProductId().'';
echo 'Name: '.$item->getName().'';
echo 'Sku: '.$item->getSku().'';
echo 'Quantity: '.$item->getQty().'';
echo 'Price: '.$item->getPrice().'';
echo "";
}
$totalItems = Mage::getModel('checkout/cart')->getQuote()->getItemsCount();
$totalQuantity = Mage::getModel('checkout/cart')->getQuote()->getItemsQty();
$subTotal = Mage::getModel('checkout/cart')->getQuote()->getSubtotal();
$grandTotal = Mage::getModel('checkout/cart')->getQuote()->getGrandTotal();