I expected to like “Be Kind, Rewind,” but not as much as I did — or in quite the same way. The previews promised a zany, trippy comedy starring Jack Black and Mos Def as a couple of video store guys, who when their VHS tapes get erased, create their own versions of “Ghostbusters,” “Rush Hour 2” and other Hollywood hits. But writer/director Michel Gondry, who directed one of the best films of the past decade with 2004’s “Eternal Sunshine of the Spotless Mind,” is aiming at a bigger target than mere laughs.