Top American Team WANTED to build a Blogging & Social Networking site

I Need a very professional development team with super professional designers who can develop a Blogging & social networking site with a very attractive and creative design that makes twitter & facebook look like the 60's. I want it to have a professional look. Features will be the same as in tumblr.'s and keep in mind that I demand a solid coding that can handle 100,000 online users. I already lost a lot of money for a team that let me down so if you're not up to the task please do not bid.