Boardburner2:
It sounds like you need a wireless power tail.Do not know of any but a look at the home automation products may help.
These are generally available as approved plug in devices that do not require an electrician to install.Switching the power to a PC though will mean they have to boot up each time, are there no other software products designed for this ?
The arcade is running consoles not pcs hence there is no software that we can implement to control time, this is why we need to switch of the Tvs instead so that the consoles wont have to reboot every single time.