Hello L,
I have installed script and have done some initial testing. For some reason, several links take either a long time to load or they throw a 404 error. I thought at first it was problem with my server, but I can duplicate exact results from my browser using the http://www.eshoppingmadness.com url.
Here are some examples using http://www.eshoppingmadness.com url
1. Click "Clothing" in Menu Bar, then Click "Handbags & Luggage" Under the SUB CATEGORIES. Then Click "Compare Prices" on any of the top results. Load time varies, but usually is quite long compared to other searches.
2. Click "Clothing" in Menu Bar, then Click "Handbags & Luggage" Under the SUB CATEGORIES then Click "ASUS" under "BRANDS" Then Click "Compare Prices" under first result (which should be Tucano EEE PC 7"-9" Gray Sleeves. This throws a 404 error and redirects to index page. It looks like it has something to do with quotes being in the product description. I
3. Click "Computers" in Menu Bar, then Click "Computer Cases & Bags" or "Docking Stations" at bottom of SUB CATEGORY . Both load a new page, but I have never gotten any results displayed in browser. When If you click "Media Hubs" immediately above those two, it loads quickly with results every time with results.
In summary, some results load quickly and some take quite a while or do not display results. At first, I thought it was shopzilla just taking time because of server load, but after a while I noticed that some categories and products always load fast and other always load slow. There are enough "problem" links that I believe it would be problem to use script for general public.
Hope this helps. I can give more examples if necessary.