I've been thinking about this for a while as well. It came down to two laptops: MacBook Air 13" and Lenovo ThinkPad X1. The X1 has a wonderful keyboard. As a de

I've been thinking about this for a while as well. It came down to two laptops: MacBook Air 13" and Lenovo ThinkPad X1. The X1 has a wonderful keyboard. As a developer I like this. However I'm really a unix sort of person and installing Linux on a laptop never went positively for me. On a Mac however you get unix by default and all the hardware is fully supported. So I'm going with the Air... however if you're a Windows user I would highly consider the new X1.