I have a limited setup working now. I am sure synergy has the same type of feature; in Multiplicity I can set a hotkey to switch machines. I set up my 'G' keys to hit that hotkey, then the commands I want to send, and then a hotkey to go back to the main system. Not perfect, but it lets me send specific commands to the second machine without to many problems.

Still haven't figured out a way to broadcast those extra keys. Will try your recommendation Xzin when I can find a link to the version of synergy with broadcasting that works. Link on these forums is dead.

Thanks,

XStoneDogX