I would be happy with another hooker. If he's decent, it means we can spell two hookers in games. I don't believe Lumb is ready for regular game time yet, although he's clearly got potential. And I've mentioned before, I don't rate Halafihi at all.
As it stands right now, O'Brien getting injured would be a nightmare for us. So another decent hooker would be welcome by me. As long as it doesn't mean AOB leaving or getting put on the reserve list.
A quick google of him does seem to show him up as a bit too good for us where we are right now? But then having seen Kieren Moss play, I'd say the same about him.