Looking for a new Ultra Slim Laptop

So I've had enough with my Sony Z-555, since after a big drop it now likes to shut off on me randomly and is getting annoying lol.

I've been looking around for a new ultra light laptop, looking for something with okay processing power with battery life.

Mainly looking for a Notebook under 1" thick, with good battery life (around 4 hours min.).
Screen size, 11-13".

So far the only thing I've seen really hit every on the checklist was the new macbook air 11", but I would prefer to stay on Windows platform.

I've read through the;
Dell Vostro V13, Vostro V130, Latitude 13, Adamo
Sony X Series

Noticed all these have issues with battery life or speed.


Anyone have any suggestions?