I would probably use commas instead of ellipses and split up the sentences, or you could use Wendy's suggestion in the previous thread and use hyphens.
Running a fingertip along his jaw, she added, “Well, I liked your slightly scruffy look,” she dropped her voice to a throaty purr,
"Superman.” She smiled as he moaned softly. “But this is even nicer…”
Though, looking at that, it still seems slightly awkward to me. Hmm...