I think you should go for the makeover! I do think some Hoyas are bothered by repotting, but not to the extent that you would be better off starting from scratch (since they're in good shape now). Carnosa and ovata are hardy, unfussy species.

Besides, it's spring, so your intervention is well timed. I'm sure some strategic pruning will just serve to further stoke their burst of warm weather growth.

Nice hearing from you and good luck!

Ah, excellent! Thanks for the advice, the kind wishes of luck, and vote of confidence (in the plan, and the toughness of the plants).

There is active growth on the plants right now, humidity is up, and we've got lows in the 55-60F range predicted next week, so I'll start kicking them outdoors pretty soon. Do you think it's imperative to wait until they're acclimated to the outdoors and the growth spurt has kicked in completely, or could I get away with doing it sooner? I look forward to pruning, too. I tell myself the answer is "PATIENCE!" but I keep eyeing it anyway. There's other plants scheduled for bare rooting that I can control myself regarding until June. Thoughts?

Thanks again!

I think you should do it right away. Plants start sensing the change in the seasons way before the warm weather has set in. Thus, Hoyas start becoming easier to root very early in the spring, when it's still snowy (here, anyway). So, no need to wait at all. Get them all set up in your stellar medium and let them start benefiting from it, in conjunction with the better light and rainwater. As long as you're transitioning them to outdoor settings gradually, it won't be too much stress and drama for them to handle.

Ozarkia, have you repotted your hoya? I am curious how it went and how it's doing now.

I repotted/divided a couple different EA hoyas a couple months ago, also into gritty mix, and it's been a bumpy ride. I think they'll pull through though because there are signs of new growth. There are a couple of threads here describing my experience.