Manufacturers like nanosolar, first solar, global solar are manufacturing alternative material solar cells. Nanosolar makes their cells in a roll to roll process that can create miles of solar PV material to make into panels.
Since inventions like refrigeration and air conditioning have become common place in almost every home in the country, we spend an inordinate amount of energy keeping a home's environment 'conditioned'. Instead of fighting nature, using nature to condition the home's environment is a better option. Solar hot water with storage can help heat the home, solar PV can help run air conditioners, fans and other devices to help keep the home comfortable. Check out www.dsireusa.org and see what you can do.