533357 Converting a Joomla site into Wordpres

I have a site am working on, based here: [login to view URL] It is using Virtuemart to show the catalogue and then having users being able to send an order through (without payment). At the moment, FRAMES is the only active product category There is a clever filter on the left which allows the user to filter through products based on certain characteristics (that user predefines) Most products have different colour/sizes, which they are able to view in a dropdown. User can zoom into a product also. I have a few issues: 1) it is very slow 2) it takes a lot of time to update products (as each image requires us to create a sub product and fill out the description details once again) 3) there is a pagination issue with Joomla - if I am page 4 of filtered set of results for example, and add item to shopping cart, if I continue shopping, I come back to page 4 of whatever filter I choose next. We don't need a powerful shopping cart software, just one that allows users to register, make the order, view order history, and recieve an order confirmation. There is no purchasing etc. That is why I think WP with something like WP-Ecommerce would be ideal. Please test out all functionality (you can place orders to test - just write "testing - scriptlance" in the order form) Job requires entirely moving over the site, including all products and images. many thanks