I would like to know the differences between the different brands of Dell laptops. I know that the Inspiron line is designed for residential use, cost-benefit, everyday laptops for consumers. The XPS line is the premium multimedia consumer brand. Vostro is made with small businesses in mind. And Latitude is designed towards corporate use. That I can understand. I can also understand the pricing differences between the models, and also the differences in specifications. But I would like to know what specific differences are between these lines of laptops, in terms of small details that sometimes can only be perceived by using them. I found some threads on this and other fora and the answers I found were of no help for me: they were generic, stating that the XPS has a better build quality than Inspiron, for instance, but that doesnt say much to me. Im still confused on what exactly are the differences among these lines of laptops. Ive seen Inspiron laptops at stores and Vostro laptops at meeting rooms, and I can tell they are different; the keyboards, touchpads and screens felt different. Thats the kind of difference I am looking for: details. I would like to know which are the specific differences among these lines of laptops in terms of display (TN/IPS panel; brightness; viewing angles; color gamut; matte/glossy); keyboard (key travel; tactile feedback; position and size of keys; backlit or not); touchpad (size; quality; sensitiveness; multi-touch support); audio (quality; loudness); ports (number of ports; USB 2.0/3.0; HDMI); build quality (studiness; materials; design; ergonomics); battery life; webcam; and so on. Can someone help me? What are your impressions?