Buy the 2015 Old Farmer's Almanac!
I don't know every varietyI don't know every variety but there are some very sweet watermelons on your list (Crimson Sweet, Jubilee) based on this reference chart which lists the "Brix" sweetness level:

2015 Garden Calendar2015 Weather Watcher's Calendar2015 Recipes Calendar2015 Engagement Calendar 2015 Everyday Calendar2015 Country CalendarNew Year Cross StitchLobster Rope Doormats