Scalable PHP site w/e-commerce, ongoing relationship

We are seeking a partner for an ongoing, profitable business relationship. Established small business with revenue will manage all promotions and business development. Need committed entrepreneur capable of owning responsibility for the following on an ongoing basis for ongoing revenue share and percentage ownership. 1. PHP/MySQL subscription based consumer site development with multiple roles 2. Jobs, events, real estate, and talent classifieds functionality 3. Elegant modified blog-type functionality 4. Collaborative voting/filtering functionality for each blog entry 5. Robust back end admin control of subscribers roles and permissions 6. Subscriber profile self management 7. Multiple list subscriber email opt-in/out 8. Contextual ad serving 9. Highly responsible and able to meet quick deadlines and turnarounds 10. Exceptionally strong and elegant design skills and aesthetics 11. Strong understanding of technology and ability to deliver scalable, secure Web services. 12. Excellent and prompt communication abilities. 13. Strong entrepreneurial ambition and drive 14. Attention to detail in design, formatting, grammar 15. Willing to invest some time up front for ongoing residual income. This is the type of functionality we seek to duplicate and improve upon. Initial phase of the project will consist of rapidly assembling the basic Web site and features. This is the 'get to know each other' phase. If all goes well, we will establish a limited partnership in which the development partner will receive a percentage of all ongoing revenue. There is already revenue and an established business, so this is a very real opportunity for an ambitious, talented, highly qualified, highly entrepreneurial, ethical, and responsive individual or team.