That'll likely work. If you are so inclined, you can also "hack" a motion sensor light fixture to activate props without the whole powerstrip and DC adapter. Check this out:
AUTOMAT3D Blog Archive Motion Sensor Switched Output Hack
In a nut-shell, what it does is allow you to use the built-in relay to activate props without sending full "mains" power to it!
AUTOMAT3D Blog Archive Motion Sensor Switched Output Hack
In a nut-shell, what it does is allow you to use the built-in relay to activate props without sending full "mains" power to it!