This is the best deal for setting up a slick looking e-commerce site, for your designs, I have seen yet. It is simple to use, highly customizable, and includes all you need to sell securely, over the internet. Check out their overview video here. You can see the wide variation, in the look and feel of each shop, by visiting their list of recently launched stores... it's quite impressive.
Shopify literally can have you up and running in just minutes. They have four plans to choose from ranging in price for $0 (for a trial - up to 10 products) to $299 for the top of the line plan. The price quotes for the other 2 plans are $24 and $59 per month. You can use your own domain name or they will provide a subdomain name for you to use for free.
There are several templates to choose from to make your shop unique to your products. Also, really great editing tools to totally customize your shop. Lots of help is included by visiting the site. They have a Shopify Wiki and a forum that is very active, so help is always available.
This is truly one of the best deals I have seen out there, and I have done my research. When you hit the home page they offer a short video to give you a good overview of the product.
So...for those of you wanting to have an e-commerce presence on the web, here is your chance...give it a whirl, you won't be dissappointed.