Of the new ones I would either go with the blue-green variant (it is artful, classy and very easy to read compared to most of the other ones). Second choice, I'd with the variant immediately below blue-green, only changing the swirly color from light peach to something slightly more saturated buta similar hue.
All of these diagonal designs are better than the last one. Remember you're trying to avoid small diagonal text (especially if overlaid on a strong color), not necessarily diagonal design elements by themselves.