The Liberty Fund gives away a free DVD full of liberty-advancing content. According to them,
It contains 1,002 full text titles in EBook PDF format, 36 hours of MP3 interviews with classical liberal political philosophers and economists … and lectures on the thought of Friedrich Hayek (The Legacy of Friedrich Hayek), and a version of our collection of Quotations about Liberty and Power which is designed to run on a data DVD.
Did we mention that this is free?! BAM!