Our current authoring tool allows for variable "variants" when publishing content. For example, we have a variable called "model number." When publishing the same content for different hardware appliance models, we can specify a "variant" of that variable, for example: 5600, 4600, 7600, 9600, and 3600. This way we don't have to change variables or use conditional variables: We publish the same guide five times, once for each model number, with a different variable "variant."