- for proper function (Fn) keys, brightness management, enable/disable WiFi adapter option on hardware level, fan regulation support etc. is recommended the use of samsung-tools (http://launchpad.net/samsung-tools) utility, which is being actively developed by Fortunato Ventre (http://voria.org/forum/; additional info: it depends upon easy-slow-down-manager tool (http://code.google.com/p/easy-slow-down-manager/)

- installation of libgl1-mesa-dri-experimental is needed for proper GPU acceleration; after that majority of nouveau lock-ups occur no more, nevertheless you should be careful with every kernel update

- please take this bug report seriously into account in case of any further suspicious behavior (http://bugs.freedesktop.org/show_bug.cgi?id=26980)

- specified Vimicro web-cam vendor is unexpectedly shown by lsusb tool as

Bus 001 Device 003: ID 0ac8:c342 Z-Star Microelectronics Corp.

* weird thing is that my model NP-R580-JS01CZ which comes in configuration with Intel Core i3 processor, does not offer you integrated Intel GMA HD graphics (you can neither enable/disable it in BIOS - missing option, nor it is listed by lspci)