Samsung has announced an updated version of its NB30 netbook that comes with Windows 7 Professional OS. Called the NB30 Pro, this mini laptop features a 10.1-inch 1024 x 600 display, an Intel Atom N450 1.66GHz processor, an Intel GMA 3150 graphics card, a 1GB RAM (up to 2GB), a 160GB hard drive, a 0.3MP webcam, a spill-resistant keyboard, WiFi and a 6-cell battery. The NB30 Pro will go on sale in late May for $519.