customize the OS- Commerce

Looking for some one to help with my website [login to view URL] What i need done is 1. upgrade to latest oscommerce 2.3.4 2. design a new layout theme will me "Ink and toner Cartridges" 3. Better Working SEO And Meta Tags 5. Better Create Account option 6. Better Email MARKETING Platform (Send emails and Capture Email Address) 7. Drop down Filter option to Sort Printers to the Cartridges 8. Better Search Search More Fields