This deal has ended.
This 320GB Internal Hard Drive For Xbox 360 drops from $76.99 to $39.99 to $36.99 with code bdsave3 at Mini In The Box. Plus, shipping is free. This is the lowest price we could find for this size drive by $11 (compare here). Note that you will need to "uncheck" the shipping insurance at checkout, otherwise a $0.99 fee is added. There is no sales tax.