After trying other solutions and just not getting the results I wanted, I tried one more time and found eCommerce Product Catalog. Well, I can't speak highly enough of this plugin. It has already integrated beautifully with two themes that I tried, works smoothly, has a lot of extensions and is full of hooks. I bought some extensions and needed some customisations for my client. The support helped me a lot. They even provided me with customisation functions free of charge and added some features within a couple of days! Maybe it's to much to say but I love this plugin. It gives everything you need, is easy to set up, support is amazing and it over delivers. What more could you ask for? Thank you for your great support!