I must say, Microsoft Excel makes an excellent design tool for counted-thread embroidery. I've got all the words charted out and I'm starting to put in decorative elements.
I think I need two versions--one purely in counted cross stitch, and one with speciality stitches. It'll make for a broader audience.
The next question is, how much to sell the pattern for? I don't want to make it too expensive, nor too cheap. $5 seems about right, but I'm not sure.