I second that!I would not recommend La Toja. According to most here they simply destroyed their soap with the latest reformulation, you'd have to find the old stuff on eBay, and a few sellers are doing a bait/switch and you get the new junk when they posted a photo of the old ingredient list. I'd strike La Toja from your list.
OTOH, you cannot go wrong with that Ethos stick.
Commercially, I would have to say that Speick and La Toja fill your lesser fragrance criteria - have not tried Lea.
Sourcing a fillable container as I've seen through various vendors here would afford to to create a stick of your preferred unscented software.
My experience with DRH being Marborough and Arlington; though not heavy, I wouldn't put them in the lightly scented category. Don't believe there to be a DRH Naturals stick.