Hallmark have released a new catalogue featuring this years Star Trek Christmas ornaments. This years two are:
Star Trek II: The wrath of Kahn - Bridge diorama, complete with a big picture of the reliant on the viewscreen and sound effects. Sculpted by Anita Marra Rogers.
Or, Star Trek: The Next Generation - All Good Things... USS Enterprise-D complete with three nacelles and pretty lighting effects. Sculpted by Lynn Norton.
They can be found listed in the catalogue here.
Update: Higher res images can be found here at Toy News International