For a limited time, you can purchase Harry Potter: The Complete 8-Film Collection on Blu-ray for only $29.99 (70% off) with FREE Super Saver shipping (or with Amazon Prime). This is the lowest price this set has been listed on Amazon.
If you prefer, you can also buy the collection on DVD for only $22.49 (72% off). Be sure to check out the Best Gifts for the Harry Potter Fan Gift Guide for additional Harry Potter ideas.
The collection, includes all 8 Harry Potter movies from the entire 7-book Harry Potter series.
Be sure to check out all the Amazon deals that I've been posting for some great deals
Please note: Amazon prices tend to change quickly, so be sure to check the price before you buy.