Redesign website and shopping cart

I have a website, [login to view URL] I want it completely redone, to new and modern website. What I'm looking for in particular is: Better menu system Optimised performance Integrate with online merchant PayPal for credit card and PayPal payments Automated features, for example: 1. when a customer places an order, after it's sent I enter tracking details, customer gets an email with a trackable link. 2. customer can estimate shipping instead of searching for the cost of shipping on the website while they shop 3. easy to do listings. It is hell to do listing now, and i have to do it in html. There has to be an easier way, where I can just put text in prelaid out template boxes on the admin part of the website, and it automatically displays the way i want, which is professional and consistent. What I want is to stop losing customers, have a quick and modern optimised website, and an easy way to create listings. I actually want to remove all the listings I have one there. I want a professional web designer who is cheap, fast and can give me ideas and show me what they've done.