Ashley very kindly directed me toward Heather Bailey's stuff, which is flippin' adorable, and that led me accidentally to find Heather Ross' stuff, seen here (I also discovered Joel Dewberry in the hunt: yum yum yum yum yum!), and it just so happens that the colleague plus told me today: they will not know the gender until birth and they really like blue and yellow, but not standard baby blue and yellow. I think this fits the bill very nicely. I will get two fat quarter sets, so I can minimize the pink, and then I can't pass up the dalmatians as backing and probably the yellow background dogs as a border. Or something like that.
Thanks again for the kind comments and words of mathly wisdom. Dar is a serious friend for telling me what NOT to study. I promise to bring only the one mathy book on my trip (not my FOURTH, Stefaneener, just our second of three in a month).