Hello,
My name is Faizan and I am a PHP developer. I have seen your project requirements and I can provide a plugin like this. The plugin will have WYSIWYG Editor. You will be able to edit the web page right from your wordpress admin panel. The edit page will be save a page on your site. It will have all the stated functionality. I can start from tomorrow
A little bit about me: I belong to a team of 3 developers and 2 designers. I am the team lead, CTO, Manager, Rainmaker or whatever you can say :).We have been working in the field of PHP development since last 4 years. We have worked on Wordpress, Drupal and Joomla. We are also capable of handling small to medium level codeigniter or CakePHP projects very easily. The designer can provide you everything from a simple company logo to full fledge Website or Mobile App Mockups and layouts. In responsive website we have experience in Foundation4, Twitter Bootstrap and 960.gs. Regarding Updates: Well you can find Me or any of our team member online with most recent update almost 16 hours a day on skype, gtalk and viber. So you can take updates easily and directly. You can see our porfolio inside my profile just to get any idea of work. You can see my reviews. I think they are enough to make a client happy. Okay I wont take much of your time. Thanks for reading :)
Let me know if you are interested or if you have any questions
Best Regards
Faizan Shakil Faruqi