What choice is left to the customer concerning laptops?

The choice concerning laptops that is most relevant and feasible for the customer in this context is about selecting the software package. This is significant because while customers often have preferences for physical aspects like color, price, and brand, these factors typically do not represent the substantial variety or customizability available as the software options do.

Many laptop manufacturers offer a range of software packages, especially operating systems and associated programs, which users can select based on their needs. This customization can greatly influence the laptop's functionality and performance for the user. Thus, it implies that the most impactful decision the customer can make is regarding the software package tailored to their specific requirements.

On the other hand, factors like color, price, and brand, while they may matter to some degree, generally come predetermined in models and configurations available in the market. They're less about personalizing the product's performance after purchase.