On Mar 22, 2008, at 8:47 AM, Brian Phillips wrote: > Phil Bridges wrote: > >> Doesn't it also use fewer W from the power supply? > > That was my point originally. Fewer W, SURE! Fewer Joules, nope. Right. "Watts" is a rate, not an amount of work. Joules, ergs or watt- hours are work units. beww