Some remote-switchable power strip vendors:
This thread is a bit OT, but I can't stand to see these recommended -- they're dreadful, nasty little devices. Be sure to check out the APC MasterSwitch -- they're kinda pricey, but it includes SNMP, HTTP and telnet interfaces (almost identical to those on the UPS's). We've ended up buying several dozen of them and every colo machine is connected to one.
..kg..