The 15-Inch MacBook Air
parislemon.com
parislemon.com
I was pretty jealous when my friend bought a new sandy bridge 11", but in retrospect I enjoy the battery life of my C2D ULV.
It does matter a little bit if you're in a hotel or something, but the minor inconvenience of the smaller screen is outweighed by the savings in bulk and weight, at least for me. Obviously others have the opposite view. Different strokes, I guess.
Hmm... there could be a business opportunity for the hotel industry here. How about offering nice monitors and keyboards as in-room amenities?