Preheat oven to 350. Mix crust ingredients and press into a greased 9 inch springform pan. Bake 5 minutes. Cool.
Stir chopped chocolate over simmering water till melted and smooth. Cool til lukewarm, but still pourable. Blend cream cheese, sugar and cocoa powder. Add eggs one at a time. Add chocolate and stir til smooth. pour over crust and smooth top. Bake 1 hour. Cool 5 minutes. run a knife around sides of cake to loosen. Chill overnight.
Stir whipping cream, chocolate and sugar in heavy medium saucepan over low heat until smooth. Cool slightly. Pour over cheesecake spreading to within 1/2 inch of edge. Chill 1 hour till top is set.
Go to full version of