Strawberries, raspberries, marshmallow, fresh banana, orange segments & fresh mango, You should use a chocolate fountain. Sunbeam sell a good large one for $35-$75 depending where you buy from. Cheap small ones are about $15 from Kmart. And of course it has to be Cadbury chocolate you use.
Pretzels, nuts (especially hazelnuts, almonds, walnuts, and macadamia nuts - but do toast them first - and ensure that there are no allergies because one nut will contaminate the entire batch of chocolate), pound cake.