You need to go to a “brick and mortar” to verify you want this resolution in a 15.6” LCD. Primary reason for this resolution is for Blu-ray playback. Everything else is going to be tiny on Screens under 18”, unless you enlarge and that defeats the purpose. (Toshiba Has an 18 In LCD – Did I say BIG and heavy.
Not a lover of Dell Consumer Laptops – Business models are very reliable. A year ago Asus was #1 for reliability - Tosibia as 2nd.