You wouldn't happen to located in Gary, In.?
Are you going to continue down the DIY path?
There are many options available going the DIY route.
A very good resource is the AusChristmasLighting 101 manual if you haven't found it yet. Very friendly and knowledgeable people will be glad to assist in your endeavors to expand your family's blinkyness.
Be warned, Joining these forums and entering the chat room can give you CLAP!!! Christmas Lighting Addiction Problem