The ISE Design Features Table (found on the ISE Design Suite: Logic Edition page as of February 2013), indicates that XPS has limited Zynq device supported in ISE Design Suite WebPACK Edition, Logic Edition, and DSP Edition.
Do all three editions have limited Zynq device supported for Platform Studio?
The description above, as of February 2013, is incorrect on the ISE Design Features Table.
The correct information is that only WebPACK licenses limit access to XC7Z030 and smaller.
The Logic Edition, Embedded Edition, and DSP Edition support all available Zynq devices.