I've been doing some interesting things to the Grandeur
. The entire arrowhead-shaped plate on the top of the primary hull has been rebuilt using Sub-Ds, with the secondary deflector and the aft wedge-shaped cutouts included in the base mesh:
And here is two iterations of NURMS subdivision:
And finally, the rendered product:
There's a lot of other stuff going on as well but I'm keeping that close to the vest for now. I should have at least a couple more renderings to show this weekend, however.