Search Criterion Collection for a big selection. Buy 2 get 1 free, which will pretty easily beat the typical 50% off Criterion sales, and if you can stack this with an Amex offer like I did(30% off), HUGE deal. For the list price of the Dekalog ($55) I also got two other films ($23 and $26) for "free".
https://www.amazon.com/gp/promoti…NKR8N