I'll make the default the second (better-looking) option then. My cheap tablet is not responsive, so I've ordered a new Intuos4 that should get here Wednesday to replace it. Once that arrives, I should be able to do the main part of the design. I've created a large-scale version of the number layout with layers so I can easily create each different number from it. I'll wait until I can do the main design to decide the exact size I should export it as, but here's a sample #7:
I'll probably export the 10 numbers for each of the three display densities and then do some quick touch-up on each one, but that should turn out pretty well.