Hi, I am planning to have a new notebook and I have search the internet and found some of the models and among them I have choose three to four notebook, thatís Dell XPS 15, HP dm4x, X220, Dell Latitude E6420 but I am just confused about them, as I mean to say their specification and the price. So according to you guys which one would better to have? Or would I have glance at other models also ? need some proper suggestion. Thanks.