You can use Google Maps to hunt down your dream home. With a Google Docs spreadsheet to enter your options and geographic information, you can turn it into a Google Fusion Table, which makes it easy to view tabular data on a Google Map. A geeky couple used this method to map the houses they were checking out and were able to determine which one was best for them this way. Learn how they did it. Also see housingmaps.com for Craigslist house listings on Google Maps.