Star Trek: Original Motion Picture Collection (Blu-ray) for $59.99 shipped. Here is a screenshot for your reference. The set includes 7 discs, featuring the Motion Picture, the Wrathe of Khan, the Search for Spock, the Voyage Home, The Final Frontier, and the Undiscovered Country. Most places have this Blu-ray set for over $95.
Originally posted earlier, this is just a friendly reminder.