It's great that solar is more affordable then ever. As many here have suggested, it's always best to shop around and compare quotes. Plus there are differences in solar panel manufacturers, mounting and other equipment. It might not require as much research and planning as redoing a kitchen, but you should at least know what is going to be on your roof for the next 25 years.
You can search and compare options at <a href="http://FreeCleanSolar.com"> FreeCleanSolar.com </a>. They have a directory of local solar panel installers representing most every solar panel brand including Sunpower, Kyocera, Sharp, Evergreen and Sunwize. You can also find information about state solar rebates, federal tax credits, solar financing and leasing, system costs and the benefits of going solar. The bottom line is that many homeowners and business owners can afford solar power today.