Its highly recommended that you get youcheck average sensor temperatures under completely normal every day activities to get a real picture of real world events, its also a very good idea to check temperatures when your running at every thing going full blast, Just to check for stability and just where your laptop stands in the laptop CPU list.
edit part:
bit tired, writing with one eye open now =)
not the laptop CPU list, but where your laptop stands in heat generation compared to other computers.