I say we paint a full cohort of 3 models for our challenge. I gotta put you in "mass-production" mode to help level the playing field! ;-)
That's OK, though, you'll have the advantage of forcing me to paint larger-scale. It looks like these models are something like 40mm. I wasn't paying attention to the scale, when I dove into the Kickstarter. I like it, though. For a game of only 3 to 5 models, it's fitting to use larger-scale, both mechanically and aesthetically.
I may get started on assembly, but I say we wait until we both have 3 models in-hand, before we begin our challenge. I don't know when they expect to ship Septimus, but we might be looking to start our challenge in a couple of months. That will give us a chance to assemble and prime what we have, and we can hit the ground running at the starting line, when we both have 3 primed models. Watcha think?