Amazon has an interesting BD-related deal of the day going on. Today only, you can buy the monumental 1970 concert movie
Woodstock: 3 Days of Peace & Music: Ultimate Collector's Edition for only $26.99 (61% off MSRP). This offer expires today at midnight PDT, or when stock runs out. Note that Amazon also sells this title separately, with
exclusive extra content, but that release does not benefit from the Deal of the Day.