Technology Unwrapped

Every now and then we have a client that for one reason or another ends up with a consumer class computer. They may be wanting to save money, or needed a computer for a new hire ASAP. So what's wrong with that? If it's an HP computer that should be good enough right? HP, as well as most computer vendors, have two lines: consumer and business class computers. These can be desktops or laptops, so what is the difference?