Need a laptop for an engineering university. Please recommend some good laptops and laptop brands. What i need.. Intel core duo at a min 2.2ghz, 2gb min 4gb recommended. Hard drive BO-200 gb, dvd/cd or dvd/rw , 10/100/1000 mbs ethernet adapter,wireless 802.11 adapter, graphics media acclerator, 128 mb video card min. Windows vista home premium or business, three year old warrenty