Surprisingly, one of the best looking laptop designs I've seen in a while was one by Nokia, of all people. Unfortunately, it is a Netbook, and has all of the associated issues, and I have no idea about its linux support. But from a design aspect, it looks nice.
http://www.nokiausa.com/find-products/mini-laptops/nokia-boo...
Now, if only we could locate a more powerful alternative.