I think it is a good decision to get on pos3 but coin swaps are tough on pos coins, gets harder and harder to swap as more coins are taken off and locked down.
I think it will be okay they will manually swap them over so long as the chain can keep moving.

The old design pos with too low stake to encourage staking and securing the chain. POS3 will change this hopefully it will be really worth staking.
I hope they will have some further plans too because that will not be enough alone to make a difference to xwc.
I think they have some core devs that have good skills so let's wait and see. I was with white since the start. I wonder where mongozo is now.