It turns out it will work... but only using a screen size of 32x80. If I use 'any model', 24x80, 43x80, or 27x132 it doesn't.
The only catch is, if I leave my session at 32x80, I can't sign on to CICS. I get the following:
U02RAA47 UNABLE TO ESTABLISH SESSION - IPS SRC FAILED WITH SENSE...