MIX crumbs and butter; press onto bottom and halfway up side of 9-inch springform pan sprayed with cooking spray. Refrigerate until ready to use.
RESERVE 6 berries for garnish; mash remaining berries. Add boiling water to jelly powders in large bowl; stir 2 min. until completely dissolved. Add ice; stir until melted. Stir in Cool Whip and mashed berries with whisk until well blended. Refrigerate 10 min. or until mixture is thick enough to mound; spoon into crust.
REFRIGERATE 3 hours or until firm. Run knife around rim of pan to loosen cake. Remove rim. Cut reserved berries in half; arrange, cut-sides down, around top edge of cake. Melt chocolate as directed on package; drizzle over berries.