Pipe Pure Sunlight into your home

Is there anything fibreoptic cant do? Now they are using it to pipe sunlight into buildings... This is to get the obviouse benefits of the sun. eg less eyestrain and helps reduce the effects of Seasonal Affect Disorder, in addition to making color rendition of objects more natural (by definition)

[ Windows 2005 found to be cheaper and more redily available. But prone of crashing... ]