Ah ok always thought unplugging chargers when not in use was a good thing after seeing energy saving tips such as these.....

http://www.terrapass.com/blog/posts/...tricity-vampir

"Unplug chargers (think cell phones and iPods) when not in use. Only 5% of the power drawn by a cell phone charger is used to charge the phone. The other 95% is wasted when it is left plugged into the wall."