I think I've narrowed down my choices to two patterns for each pair of socks. For the wool socks, I think it's either going to be Eunny's Bayerische.................. .....or Cookie A's Baudelaire. For both these socks, I think the lovely, textured stitches would show up best with either a solid or heathered yarn, don't you?
And, for the cotton pair, it will either be the Rainy Day Socks (with the changes in yarn weight and gauge I mentioned before).......
......or this pair of Snowflake Lace socks. I think this pair would be nice with a subtly variegated yarn in a single hue. I'm still considering which cotton yarn would be good. Perhaps something with bamboo, as one, kind reader suggested. I think it's supposed to have anti-bacterial qualities; a good thing for a pair of summer socks, n'est-ce pas?
Thank you, everybody, for your comments!!