1970s-era spaceships up for grabs at a massive discount. The engines are also available for free! You just have to pay S&H. http://www.nytimes.com/2010/01/17/science/space/17nasa.html

A time line of the best times to buy things. http://lifehacker.com/5440376/the-best-times-to-buy-anything-all-year-round