For historical FAQ pages, please see DIY Zoning Project's Homeowner's FAQ and Technical FAQ.
Q: How much do I have to spend on hardware to get the system up without bells and whistles?
A: The answer is at the Supported Hardware page.
Q: The application dies with OutOfMemoryException, what do I do?
A: It is a known problem. Use JDK 1.6.0_17, it is not affected.