Like the all of these products, the 5000 has a four-inch pitch fader near the tone arm. Basically, this allows you to keep pitch visually. Not that this will replace your ear for setting pitch, but it's a nice addition. Plus, VU meters are about the coolest physical feature that any piece of gear can have. The one thing that the 5000 lacks is reverse play.
Reverse play is always welcome.
On to the Gemini. The PT-2000 is a pretty straightforward machine. Aesthetically, it closely resembles a 1200. Under the hood, however, it is a nicely tweaked machine. The requisite high torque motor is present, as is a nice start-up time.