A.O. Smith Voltex Water Heater
While it's not a solar-ready model, this super-insulated hot water heater by A.O. Smith would be an excellent solar backup. It uses a unique hybrid electric water heater to borrow heat from ambient air to produce hot water and can operate in several modes, each offering a different level of efficiency.
EnerGen Solar PV Roof Shingles (CertainTeed/Uni-Solar)
This roof-ready BIPV system from CertainTeed comes in a pre-engineered kit with all the parts needed for installation. It's easy to install and low profile enough not to panic view-sensitive neighbors.