IBM ThinkPad...
On my third one. Each seems to get better than the last. I like them for a number of reasons, but it began with the fact that their keyboards are close to full-size and they have equal size shift keys (I know this sounds petty, but I have bigger hands and do most of my own typing - you cannot imagine how irritating it is to be zooming along on a brief in stream of legal consciousness and see that you're in the line ABOVE where you're supposed to be because the up-arrow key is just to the right of a half-size right shift key).
I didn't know whether I would find the TrackPoint (that orange nub in the middle of the keyboard that controls the mouse pointer) intuitive but I got used to it quickly and really like it. My newest one has what's called an UltraNav which includes a touch-pad, too. You can turn off either, or leave them both on, whichever your preference.
I would write more but let me offer two more bits of advice (have to catch a NWA flight home and they just called it).
First, DO NOT get a 15" screen. It's too big, and if you'r behind someone in a plance in either coach OR first and they lean their seat back while you're not paying attention, they could accidentally break it or crush it. 14" is PLENTY big, plus it's lighter.
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Second, ABSOLUTELY get a laptop with a CENTRINO chip. Built-in wireless, and most importantly, it was engineered with the purpose of being used for laptops and thus its power consumption and, most importantly for long-life of your laptop hardware, it runs MUCH cooler than the old Pentium III I had before.
Sorry I cannot write more, but I'd highly recommend IBM ThinkPads. One last thing, they have a authorized IBM servicers everywhere, so you can just take it there for warranty service, rather than send it back to Dell or Gateway. They're usually very competent, too. The place I go where I live has a person who is basically the ThinkPad maven and is great.
See you!!