I wouldn't buy the DELL XPS 13 due to my experience with the Samsung Series 9 and seeing other people use Macbook Air.
All these classes of laptop are not really durable - they last maybe 2-3 years with heavy use - so unless you are ready to shell out a huge amount of money every 2 years for a laptop it it not worth getting these shiny laptops.
My current laptop - Thinkpad X1 Carbon is like a wife - durable and I can have some garantee of failure tolerance.
# There is a reason NASA only approves thinkpads in space - ask yourself why your laptop is not being used by astronauts ?
[1] '.. Bryan is a writer and works as the Social Media Marketing Manager of SUS ...'
how does this person know this laptop is good for developers without being a developer ? It says right there that his job is marketing ! wake up sheeps !