I will be given an 11 inch ultimate air to use for work. I am thinking of buying a 27 inch cinema display to go with it. I will be using email, iChat and working with several large spreadsheets on google docs. Also I'm sure I'll have several windows open of google chrome. Will the air be able to handle all that on the large display without slowing down? If it acts "not smooth" it will make me crazy. Thanks.