That's a specific choice you make -- let's be clear about that. Your measurement of value is hardware efficiency, which is valid. But I may have a favourite l

That's a specific choice you make -- let's be clear about that. Your measurement of value is hardware efficiency, which is valid. But I may have a favourite laptop that's just the right size with the perfect keyboard, or a gaming rig setup that's awesome for CS. Ultimately what hardware we choose to keep in service is a personal choice.