Dear HHKB fans: You're wrong <3
An unpopular opinion to say the least. I just finished up 7 whole days straight with the HHKB Pro 2. Strongly dislike Topre 45g switches. Enough so that I have lost all interest in them. Sry!
That's not enough..You want to spend a lot more time with them..and then switch back to MX for a bit..and then switch back to Topre for a bit....If you truly don't like it, that's fair enough, it isn't everyone's cup of tea....we can't all have good taste

.
As far as what you should do...tough choice there...I don't think I'd let switch availability determine that... especially if it is something rather unique like an Ergodox...
If you want an Ergodox, I'd use whatever switch you think will be great with it...If you end up hating the Ergodox, just sell it and get more Zealios for a Pok3r.
Or...put the Zealios on your Pok3r and buy more for an Ergodox...It isn't like that's a normal keyboard so if you really want an Ergodox, I don't think getting a few more switches should be the difference in whether you do it or not..
Por que no los dos?