Magento price template overrides via layout.xml.

layout.xml

<?xml version="1.0"?>

<!--
http://magento.stackexchange.com/questions/4748/how-rendering-of-price-phtml-in-catalog-product-listing-page-is-happening
http://magento.stackexchange.com/questions/14124/overriding-price-phtml-template-using-addpriceblocktype-in-magento-ce-1-7-0-2
-->

<layout>

    <default>
        <reference name="catalog_product_price_template">
            <action method="addPriceBlockType">
                <type>bundle</type>
                <block>bundle/catalog_product_price</block>
                <template>bundle/catalog/product/price.phtml</template>
            </action>
        </reference>
    </default>

    <!-- SCENARIOS -->

    <catalog_category_default>
        <reference name="product_list">
            <!-- your addPriceBlockType methods here-->
        </reference>
    </catalog_category_default>

    <catalog_category_view>
        <reference name="product_list">
            <!-- your addPriceBlockType methods here-->
        </reference>
    </catalog_category_view>

    <catalog_category_layered>
        <reference name="product_list">
            <!-- your addPriceBlockType methods here-->
        </reference>
    </catalog_category_layered>

    <catalog_product_compare_index>
        <reference name="catalog.compare.list">
            <!-- your addPriceBlockType methods here-->
        </reference>
    </catalog_product_compare_index>

    <catalogsearch_result_index>
        <reference name="search_result_list">
            <!-- your addPriceBlockType methods here-->
        </reference>
    </catalogsearch_result_index>

    <catalogsearch_advanced_result>
        <reference name="search_result_list">
            <!-- your addPriceBlockType methods here-->
        </reference>
    </catalogsearch_advanced_result>

    <tag_product_list>
        <reference name="search_result_list">
            <!-- your addPriceBlockType methods here-->
        </reference>
    </tag_product_list>

    <tag_customer_view>
        <reference name="customer_view">
            <!-- your addPriceBlockType methods here-->
        </reference>
    </tag_customer_view>

    <default>
        <reference name="cart_sidebar">
            <!-- your addPriceBlockType methods here-->
        </reference>
        <reference name="wishlist_sidebar">
            <!-- your addPriceBlockType methods here-->
        </reference>
        <reference name="catalog_product_price_template">
            <!-- your addPriceBlockType methods here-->
        </reference>
    </default>

    <catalog_product_view>
        <reference name="catalog.product.related">
            <!-- your addPriceBlockType methods here-->
        </reference>
    </catalog_product_view>
    <PRODUCT_TYPE_simple>
        <reference name="product.info.upsell">
             <!-- your addPriceBlockType methods here-->
        </reference>
    </PRODUCT_TYPE_simple>
    <checkout_cart_index>
        <reference name="checkout.cart.crosssell">
            <!-- your addPriceBlockType methods here-->
        </reference>
    </checkout_cart_index>
    <PRODUCT_TYPE_bundle translate="label" module="bundle">
        <reference name="product.info.bundle"> 
            <!-- your addPriceBlockType only for bundle here-->
        </reference>
        <reference name="product.clone_prices">
            <!-- your addPriceBlockType only for bundle here-->
        </reference>
    </PRODUCT_TYPE_bundle>
    <rss_catalog_category>
        <reference name="rss.catalog.category">
            <!-- your addPriceBlockType methods here-->
        </reference>
    </rss_catalog_category>
    <rss_catalog_new>
        <reference name="rss.catalog.new">
            <!-- your addPriceBlockType methods here-->
        </reference>
    </rss_catalog_new>
    <rss_catalog_tag>
        <reference name="rss.catalog.tag">
            <!-- your addPriceBlockType methods here-->
        </reference>
    </rss_catalog_tag>
</layout>