There's not much to show for the other technical views of Nolan's gun that would really be interesting, so instead here's a pic of my first attempt at the Castithan Charge Blade:
http://imageshack.us/a/img560/9679/59h5.jpg I based my sketch largely on a concept drawing I managed to find online:
http://imageshack.us/a/img819/5624/ed7s.jpg Compared to what few decent reference pics I could find of the screen-used charge blade as used by Datak Tarr, it looks like the details between the two match up pretty well:
http://imageshack.us/a/img546/4530/6sm5.jpg (You can see the string of small LEDs on the handle, as shown on the concept drawing)
http://imageshack.us/a/img689/2991/8e68.jpg (The large, round protrusion just behind the blade and the curvature of the handle, along with the light-up blue triangle at the end, also seem to match)
http://imageshack.us/a/img28/9533/8xci.jpg Aside from resizing a few of the details (ie. round protrusion is larger than on the concept drawing), I think we've got a pretty good base to work from. I'll post here when I've made substantial progress with either.