You can always check out AMC's Mad Men website where you can find downloads, games and trivia. You can even Mad Men Yourself and make your own Mad Men cartoon character in your image.
The fab guys at Jib Jab have made this cute video that u can place yourself in.
Head over to Parade and take the Mad Men trivia quiz
Check out this cartoon: Try to work out if the Mad Men are secretly X-Men:
Bone up on your science with the Mad Men periodic table
Or why not check out the fantastic Mad Men: The Illustrated World by Dyna Moe available at Amazon for $10.20. I have mine on order already!