Custom Design Software Download Site

I need a custom designed software download website. I have all the software, I will upload it to my cpanel. 1. Design website with fully functional Checkout Cart via Google Checkout 2. Organize Products with Clickable product description 3. Install software that I have (I will give you the link)that manages my customers and their ability to download my software. 4. Design should be sleek and professional. You (The provider) must meet the following requirements: 1. English speaking (grammatically correct in bid notes) I'm in the USA I'd like to be able to easily edit the site content (html or photoshop is fine), with as little php as possible. I have a basic understanding of hmtl, which is why I ask for that.