What's your budget? What size do you want? Which country are you going to buy it in?
UK or USA (I could ask a friend to bring me one easily).
Size: I need a workable keyboard, that's all. As mentioned in description, there are 2 requirements: battery life and weight. In practice, I feel comfortable enough with 11'.
I don't like Macs for many reasons, one of which is I can't change its battery.
You could also look at Ultrabooks (similar to the Air), but they'll have the same problem of changing batteries.
http://shop.lenovo.com/SEUILibrary/controller/e/web/LenovoPo...
Plus bigger pack: http://shop.lenovo.com/SEUILibrary/controller/e/web/LenovoPo...
With 6 cells you get somewhere around 7-8 hours if you are lucky. I know this laptop, but looking for better options.
You don't need the 9 cell as well as the plate - it was just a suggestion if you needed more.
HP Pavilion DM1 - http://www.amazon.com/mn/search/?_encoding=UTF8&tag=pret...
Samsung Series 9 - http://www.amazon.com/gp/product/B004NF0LGG/ref=as_li_ss_tl?...
Acer Aspire Timeline X - http://www.amazon.com/gp/product/B0042X8W0Q/ref=as_li_ss_tl?...
They are user serviceable on the macs, just not externally so. It's not like the iPhone.