Here are links to related sites.

Home Power Magazine
The single best source for information about solar power.
The current issue can be read online for free as well.

Eco Energies Formerly Pacific Solar Company.
Marinne and Maurice were wonderful at getting all the parts for the system.

AstroPower, Inc.
Makes the modules that I'm using.

Inverters by Trace Engineering
Makes the ineverter that I'm using.

Astropower about solar
A good description of how PV solar works

List of Certified PV Modules and PTC ratings for them