Doubt I need to tell you this, but that Rowena is one tough negotiator. I have to be constantly on my toes, lest we get gulled into some terribly disadvantageous arrangement.
That said, I still have some time to spare, so I'll still be handling any tools you're looking to upgrade as far as stage three. Have to keep my hands working, too, lest my skills dull.
Upgrades to stage four and beyond, on the other hand, will be Nimie's domain. Bring me the requisite materials, and my gobbie assistants will fashion the augmentation unit, which you can then bring to Nimie so she can complete the job.