Design And Develop A Wordpress Theme

I need a design + theme development for a Wordpress theme. the design - must be modern, clean and very user friendly. the design level must be equal to the works we see here: [login to view URL] development - It must include all the wordpress 3.0 new features in it: - Easy Menu Management - Post Thumbnail - Custom Background Support - Custom Header Support and much more - more details about wordpress 3.0 - [login to view URL] the theme has to include a unique homepage (not a blog homepage), blog area, default page template ([login to view URL]) and default post template ([login to view URL]). 1. You must include a portfolio with your design works. 2. Designer should hand me 3 different concepts to choose from. Thanks