Revisiting the light cycle

This just keeps gnawing at me, so in bits of spare time here and there I've been learning Moi, a great 3D Nurbs modeling tool, to redo the light cycle.
After a number of attempts, here's what I've got so far. All of this is based off of Daniel Simon's fantastic work on the light cycle design for Tron Legacy. I have veered off the trail to make things a little more interesting to suit my own tastes.

From 3D 2010-2011

From 3D 2010-2011

From 3D 2010-2011

From 3D 2010-2011

From 3D 2010-2011

quickie render (in modo):

From 3D 2010-2011