Wordpress MU XMLRPC Poster

I need a Wordpress Multi User Posting Tool.... 1 PHP Page with some Ajax Magic. I need: - Retrieve MU Blogs in System - Retrieve used Categories - Retrieve used Tags - Retrieve all existing articles in choosen blog Possibility to: - Choose a existing blog to post from the List - Choose a existing Category or add a new one - Choose existing tags in choosen blog, or add new ones - Write an articel in choosen blog with category and tags AND possibility to add/upload post image - Delete an article in choosen blog this should be easy for a wordpress pro.. all the functions are present in the xmlrpc api of wordpress... here is a how2 [login to view URL],-PHP,[login to view URL] i need it for the most recent version of wordpress.... feel free to mage suggestions.