Note that the phrase "old vacuum cleaner" in the initial entry is a bit misleading, considering the ultratech appearance of that thing. (The love-light in Skuld's eyes when she saw it -- "I want one!" -- is a riot.) My first thought when I saw it was that it looked like an electric guitar without the strings.

Also in Volume 28, we have the revelation that Keiichi is pretty darned impressive at singing. Although your minds will probably boggle at who was even better. (No, I'm not talking about Belldandy; that's a given.)