a Dell Inspirion 8600. I have that one because of the big screen.
In a year and a half the only problems were a keyboard gone bad and
that was because of cat hair combined with one of them knocking over
my Pepsi.
Look for a Centrino tag. That refers to the processor inside. The Centrino is designed for low power and had part of the Wifi function
built in. I think it would be difficult to find a laptop without
centrino.
Warning, technical content: What the 3.3V vs 5V is all about is power
consumption and keeping the processor temperature within limits. The
faster you run a device the steeper the leading edge on the signals
or dv/dt, the change in voltage in time. The greater the change in
voltage in a shorter time the more power needed and dissipated. By
going to a lower voltage the power consumption is reduced. Reduced
power means reduced power dissipation, and a cooler processor. Some
people overclock the processors but use elaborate active cooling
systems to keep the processor from turning itself into a blob of silicon.
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