Ajax Catalog Pro
AJAX Catalog Pro Magento extension is a very efficient way for page-to page catalog surfing. This Magento module provides two options by which customers can browse all products without reloading all the pages either by clicking the “More products" button or Ajax will auto-reload once scrolled to the bottom of list/grid. Now your customers will get quicker response while surfing and they will be more pleased to visit your website. Because they will see the whole list of category products immediately without refreshing the entire page.