Star Trek: The Original Series Remastered: This new version of the original Star Trek series improves the picture quality and adds new special effects, letting the series benefit from technology that wasn't available in the 1960s. Available for $199.99 from Amazon.
Star Trek: Alternate Realities: This five disc set collects 20 episodes from all five Star Trek series that deal with alternate realities, parallel lives, and, of course, the popular Mirror Universe. Available for $27.99 from Amazon.
Phaser and Communicator Set: Put on your primary-colored tunics and put together your away team with this set. These full-sized replicas light up and emit sound effects from the show. Available as a set for $39.99 from Think Geek.