OK, Here's the Illustrator file for My X-Arcade Tron Controller. The Template Layer is the Joystick and Button layout. The Outlide Layer is note quite exact. Allow around 1/2 inch of blead around the edges.
If you have illustrator, you can take this template to design your own art. Or you could tweak it into a tank stick template.
Anyway, its at least something to get you started.
If I find some spare time I'll try to put one together myself.
Cheers,
GoddTodd