I'm in the market for a new laptop. I do not play video games or edit movies. My normal use is reading and research, but I often have several browsers open at once. Occasionally, I watch a movie. In my search, I've emphacized screen size and hard drive size. Below, is my short list. Besides the screen and hard drive sizes, what would be the functional difference between these two for my purposes? ___
_With Intel Core i5-480M (2.66/2.93GHz), 4 GB RAM, 750 GB HD (5400 RPM), Blue Ray, 512MB VRAM, 17.3" screen.
_With Intel Core i7-740QM 1.73/2.93GHz), 4 GB RAM, 500 GB HD (7200 RPM), Blue Ray, 1GB VRAM, 16.4" screen.
_With Intel Core i5-480M (2.66/2.93GHz), 4 GB RAM, 750 GB HD (5400 RPM), Blue Ray, 512MB VRAM, 17.3" screen.
_With Intel Core i7-740QM 1.73/2.93GHz), 4 GB RAM, 500 GB HD (7200 RPM), Blue Ray, 1GB VRAM, 16.4" screen.