Among the many Labor Day bargains is one that I'll find hard to pass up: Gelati Celesti is offering its top-selling flavor, Chocolate Decadence, for $1 per cup, owner Steve Rosser says. That's what it sold for when the ice cream shop opened in 1984. Both locations, 8906 W. Broad St. and 3004 Stony Point Road (in the Stony Point Shopping Center off Huguenot Road) will offer the special.