1. A method of operation of a server device connected within a network of media processing devices, comprising: initiating respective connections with multiple media processing devices; initiating a connection with a display, printer or rendering appliance, or combinations thereof, which itself initiates one or more connections with one or more same and/or different media processing devices; receiving and responding to a connection request from an initiating media processing device by providing a list of said connections between said initiating media processing device and said multiple media processing devices comprising responder media processing devices; requesting and receiving device information from each connected device of the multiple media processing devices, said device information defining a user interface for each of said multiple media processing devices; constructing a single user interface based on said user interface information for controlling more than one of said multiple connected media processing devices including at least one of said different media processing devices connected to said display, printer, or rendering appliance, or combinations thereof, wherein said user interface comprises multiple user-executable tabs indicating: multiple functional server devices that are accessible via at least one secondary server device; any data filters offered by a selected functional server; media types for processing; and any devices containing a selected data type; connecting a chained series of peer-to-peer connections between said initiating processing device and said responder media processing devices via at least one server device and said at least one secondary server device comprising a same or different display, printer, or rendering appliance, or combinations thereof; and requesting and receiving from the secondary server device a list of media processing devices connected to the secondary server device; requesting and receiving from the connected secondary server device information defining a user interface for said media processing devices connected to said secondary server device; arranging network transport of a unit of digital media from a media source or storage device, or both, to at least one media filtering device or media conversion device, or both; actuating a media filtering or conversion operation, or both, on said media filtering device or media conversion device, or both; arranging network transport of a filtered or converted version, or both, of said unit of digital media from the at least one media filtering device or media conversion device, or both, to at least one same or different media display, print, or rendering device, or combinations thereof; and actuating an associated display, print or rendering function, or combinations thereof.