Ok, i think frequency is just a matter of silicon tech process.
So what do you think about SRAM chip?
This is quite basic block of every PC of any architecture.
And there is quite nothing there left to research on a "switch level".
A great challenge is to fit ternary CPU on a motherboard-sized PCB, so that you can fit a computer on several PCBs.
So making bigger blocks as sram register and ternary adder would be definetely a big step forward.
I saw your hackday project, it great, but is too big =)
Is hard to repeat for average hobbyst at home and almost not useful.
Because slow, no memory, no I/O, no OS, you can only run simple algorithms.
Having such chips commercially availble would allow easier life for cpu inventors and interest for software developers.
And its a somewhat real, practical task.
For example: "to develop ternary computer which is capable of serving static web pages", like
this guy did.