Notebook computers - MacBook vs Windows machine?

Notebook computers - MacBook vs Windows machine?
Looking for a little help on this one. I have never owned a notebook before - and I'm looking to buy one in the next month.

Adobe Photoshop Lightroom v1.3
And best of all, it runs on most commonly used computers, even notebook computers used on location.

Under lighting idea
On the bottom of my panasonic CF-19, which is basically a metal plate, I thought about adding a row of lights along the edge about 1-1.5 inches away

Universal Car Power Adapter for Notebook Computers $15.99 Free Shipping, MORE