Wow, not as I thought.

1.) I still use Product Listing - Layout Style (Rows)

2.) I did not replace the following file included in the Single Listing Template mod: /includes/modules/YOUR_TEMPLATE/product_listing.php

(Which kept my current layout)

3.) I did have to modify the following files:
/includes/modules/pages/

products_new/header_php.php
specials/header_php.php
product_all/header_php.php
featured_products/header_php.php

to include the CUSTOM_FIELDS i added to the products.

Thank you,
This was so easy and it looks great!

Feel free to visit (TEST) site and all constructive criticism is welcome!