In A Large Bowl, Combine Popcorn And Pretzels; Set Aside. In A Small Saucepan, Combine The Sugar, Honey And Corn Syrup. Bring To A Boil; Cook And Stir For 2 Minutes Or Until Sugar Is Dissolved. Remove From The Heat. Stir In Peanut Butter And Vanilla. Pour Over Popcorn Mixture And Toss To Coat. Pour Into Two Greased 15-In. X 10-In. X 1-In. Baking Pans. Bake, Uncovered, At 250