I like all of it, to be honest. That Columbia record might be my least favorite, but it is still a good listen. And yours is also prime (no pun intended).
It's a very close call, but for me, Body Meta would be the one to have if I was having only one. But Dancing In Your Head is the undeniable Big Bang and should be engaged and digested to the fullest extent of the law.
Also...don't sleep on the later Tone Dialing. It's not like the Prime Time records, but definitely build them out to some rather interesting and diverging conclusions. It's predictive of a lot of things to come, layers moving at different speeds yet still being coherent wholes.
And just for grins, check out Tales Of Captain Black. Just a quartet, but Fully Frisky!!!