Yes, that's a step in the right direction. (In terms of UX. I won't make any claims either way about its security.) In any case, I'd definitely want a solution

Yes, that's a step in the right direction. (In terms of UX. I won't make any claims either way about its security.) In any case, I'd definitely want a solution that works on the desktop. I don't know if iPGP integrates with keyservers, but that would also be an important feature.