The HP Dream Screen 400 All in One 18 Inches Desktop has got credibility to its name courtesy a touchscreen monitor as easy user interface. The screen is a good 18.5 inches diagonally, suitable for good quality visuals. Its 250GB hard disk space is sufficient for a movie buff. Cabling and wiring also go out of the window since the keyboard is connected via Bluetooth. Built in speakers are amazing for a great sound experience. Not only that, there is no mouse. Why would you need one, when the screen is touch enabled. You can attach a USB mouse to this if you like. Easily portable since it weighs no more than 7 kilos, you can move around with it around the house. The machine is loaded with Linux, a convenient operating system for office as well as home users. The integrated features make HP Dream Screen 400 All in One 18.5 Inches Desktop a versatile device. Design In terms of design, this is a very inspirational machine. In case your primary objective is to save space and not have too many wires around, this uni-body desktop is the perfect solution. It provides the user with a compact solution for connectivity. You will not face the problem of suspended wires getting yanked every time you use it. It is a piece of novelty to have around because of its good looks and the touch screen function. Performance The Dream Screen comes with an Intel Atom Dual Core Processor that amplifies the speed for this touch screen desktop with 1.8 GHz clock speed. The hard disk space is 250 GB and can store approximately 43000 64000 photos or 26000 32000 MP3 songs. The hard disk space is expandable with 4 USB 2.0 ports. You can attach additional storage devices using these ports. You can also attach a printer, keyboard or even a mouse to the machine if you aren't quite used to the touch experience. Multimedia Configuration and connectivity The machine is equipped with a DVD reader, which further suggests that it targets office as well as home users. The 18.5 inch screen is ideal to watch movies or work on graphics. The screen resolution of 1366X768 pixels is great for multimedia viewing experience. The onboard graphics card is suitable for basic graphic functions which is an added bonus. The built-in webcam resolution is good for video chat over the internet. The inbuilt speakers are exceptionally useful and you wouldn't need an external set of speakers. The Dream Screen supports Wireless and Ethernet as well as Bluetooth capabilities. Operating system The operating system that comes loaded with it is Linux that makes it user-friendly. This operating system keeps itself updated so that you do not lag behind when it comes to accomplishing your tasks.