I think 115k in pure sales first week would be good and plausible.
The key with this album is to win over the GP so it should really be a question of longevity tbh.
We shouldn't aim for big first week sales unless the lead single smashes before the album is released.
She successfully reinvented her image, so anything less than Artpop numbers are an affirmation that she's really a fad and no one really cares about her music anymore.