Here is what I did to split the price and add fields:
1. Download and install the '
Column Layout Grid for Product Listing' add-on. I used v1.3.8. If you have a different version of Zen, sorry...I can't help you if it doesn't work.
2. Modify the product_listing.php file in the add-on as follows:
Change
PHP Code:
$lc_align = '';
for ($col=0, $n=sizeof($column_list); $col<$n; $col++) {
.........etc