also have 3 Toshiba Lap Tops with 15" screens oldest is 6 years and still runs good, second with wide screen had heat issues due to fan placement was fixed by Toshiba it's 4 years old, third is wide screen and is performing flawlessly 2 years old.
Get an HP have had several through the years.
Second choice would be Compaq
Dell never had but several relatives have had them and wont get them anymore.