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With respect to the Italian Wars, I'm going to rewrite TtS! and extend the period covered by TtS! to cover them, starting July. I don't know when this will be published- I imagine it'll take at least a year.
Yes they would work very well for the Nine Years War. I'd love to publish a slightly tweaked version for the late c.17th, reflecting the (not huge) changes in the period- higher rate of fire permitted by more plentiful firelocks and introduction of cartridges, amongst others. Sedgemoor would be fun, too!
I am very keen to maintain cross playability, though, for tournaments, and don't want to push the price up to make it unaffordable. Needs much thought; I won't know what work's best until I start to review the material after July.