“Driven largely by smaller markets, RV” — the laugh-free, critically-dismissed Barry Sonnenfeld family comedy starring Robin Williams — “turned out to have the best legs of any major studio release this year, especially stronger than those of Mission: Impossible 3” — from Ben Fritz and Dave McNary‘s 5.30 Variety story, which isn’t so much about M:I:3‘s inability to crack $140 million domestic as the age-old axiom that there’s no accounting for taste.