Thanks man, but unfortunately, no, not really. The reason Dave and I aren't just sharing models - we could easily work on separate parts of the ship at the same time otherwise, and knock this off a lot quicker - is that Shapeways has minimum dimension requirements for walls, struts etc.
At 1/700, Dave has to go somewhat over-scale with his structural elements. At 1/350, true scale elements would *still* be below the smallest that Shapeways can print, but not by as much - that's why I can include more complexity at my scale. I'm pushing the limits and do get parts failures as a result sometimes - I still have to fudge things versus the original, but I can get my structures spindlier.
Of the two models, mine'll be bigger and more complex, but also more fragile, less transportable and stupidly more expensive. Dave's will be more practical, less expensive, more displayable and generally the one to go for. And still big!!