At CeBIT 2009, ASRock have entered into the nettop segment by launching S330, a nettop using the dual-core Atom 330 processor. For storage, it comes with 160GB HDD. It comes with a total of 6 USB ports which should be enough for your USB peripherals. ASRock have also included their popular Instant Boot to make the overall package even more attractive. No information is given on the RAM although the Asrock has put 2xDIMM slots which lets the user expand the RAM upto 4GB.
[Asrock]