The Kronos Sparta 0.5 is basically half a Kronos Sparta turntable but with the possibility to upgrade with the upgrade kit the full 1.0 Sparta

The Sparta 0.5 is an innovation in that it is a single platter design turntable that casn evolve into a dual counter rotating design turntable. It is a means for the vinyl lover to enter the Kronos family of products at a lower cost, while allowing the benefits of the Kronos technology to be added later, using the Sparta Upgrade Kit

More information here: 

http://kronosaudio.com/sparta-0.5.html