Apple MacBook Pro is what you need. A light weight( 1.2 kg approx) laptop, easy to carry, battery life upto 12 hrs with wifi-on, touch trackpad thats make it different fom all laptop giving you the best professional exerience.
Talking about the interface, apple provides you with OS which is so userfriendly and you ca nnot find this anywhere else. So, just go to apple store and get yourself with beauty!