Chat server site, like www.sparkpea.net

What we are looking for is a site very very much the same or exactly like [login to view URL], the chat rooms must look and work exactly the same so i think we will need a chat server which you will have yourself or will have to find one, also they are using msns chat control which we will have to use so please study the site carefully. Please only bid if you have done stuff like this before, we will need to see proof, as we have had alot of people do not know what they are doing, please let us know which chat server you will be using? and how you will go about this The budget we are looking for is around $800, we will not accept flash or any other chat versions must be exactly the same. any questions please ask