I am trying to make several configurations of an assembly.  The assembly has several subassemblies, and in some of the configurations, I need to suppress parts that are within the subassemblies.  However, when I suppress the parts, it affects all configurations, including the default.

I'm guessing this is because the part is being suppressed at the subassembly level, and not at the top-level.  Is there a way to suppress the part for only one configuration, or am I going to have to make configurations of the subassemblies, and then replace subassemblies within each top-level configuration?