keyclone has always been able to link multiple machines together (each with multiple clones). the 'connect' button on keyclone is used to connect to other keyclones via the IP:port
see pictures of the keyclone setup towards the bottom of the setup tuturial:
http://solidice.com/keyclone/tutorial/
the 'WoWMaximizer' feature is basically whether or not i embed the ability to start up the program of your choice (wow), strip off the titlebar/frame, and tile the windows on the screen (giving a very nice split screen or quad screen look)
i have placed the maximizer capability to the to-do list:
http://www.solidice.com/keyclone/dev_notes.html
my current major upgrade/task is multi-language support