By the way, there was fewer problems when the housing and vacation homepassive investments were written out of the tax code in the 1986 rewrite and there was a in the recession 1990-1991 timeframe.
Redford spokeswoman Joyce Deep wrote in an email that he installed passive solar in his home in the mid-'70s, but she didn't know details about more recent installations.
The big question mark remaining for the 3D home entertainment push is consumer confusion from competing technologies like active and passive stereoscopic (with glasses) 3D, and the newer autostereoscopic (glasses free) 3D like the Nintendo 3DS employs.