I've been thinking about this too.
I actually was going to design it, and as a distributor, purchase the shirts in bulk at wholesale and see if there was an interest. Purchase price would be contingent upon the amount of interest.
The more ordered, the less costly.
So I guess I would take this on if the interest spawns....
Be good to have them for the conference, someone could sell them there or make it part of the registration fee so everyone got one.
Don't think I would do black though...Earthy neutral colors.
A cool design, catchy tagline maybe, APUG logo (is there one?).
Let's see what Sean says.
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"I invent nothing, I rediscover". Auguste Rodin