To me it sounds like a good idea. My only concern is that it might be a bit of FOMO guiding the question being asked in the first place. Before CUB came out, were y'all already considering moving stuff out of Hive Power, or is this release bringing up the discussion for the first time?
Legit, either way, it sounds like a solid idea to me - and like @taskmaster4450le says, liquidity is useful for opportunities like this, so might be worth considering keeping some HIVE available in the future - yes, not earning anything - so that you can quickly deploy it on opportunities to yield a lot, quickly.