I have 5 mac minis of different generations and 1 macbookpro 2011 and NONE of them are recognizing a server, either over a router or when they are directly connected to each other via ethernet. I've gotten this to work in the past so I'm a little confused as to why its not working now. Should I use ...

What I have been utilizing is piwall, http://piwall.co.uk/, but it is streaming one video over a udp network from a master rather than syncing local playback from a server. Check it out and buy some pi's, they're a lot of fun! I'm on the prowl for solutions myself! ArraySync has been great!

I read in an earlier post that arraysync is dependent on quicktime, so I'm assuming it would be difficult to integrate it with the raspberry pi equivalent of omxplayer, but if there were a way to integrate ArraySync with the raspi you would have a very affordable, powerful video wall system. Maybe ...