Re: best centrino based laptop
Probably not a clear "winner" out of all current P M based laptops, really depends on what one's definition of "best" is.
The Compaq x7000 is rather attractive, and worthy of a serious consideration.
If you don't have an "anti-Dell" perspective, their Latitude D800 has much to offer, or even the Precision M60 if you can justify its $$$...
The IBM T40 has amazing battery life, great keyboard and other goodies - at a price.
I'm sure I'm missing a few other favorites here