If you're looking for a NAS with room for plenty of disks that's also fast and user-friendly, then the new Synology DS-1512+ and DS-1812+ are two models that should be on your wish list. They come equipped with the very comprehensive DSM 4.0 firmware, with space for either five or eight hard disks. You do have to reach pretty deep into your wallet for these NAS devices.
There is a lot of free Microsoft software to be had, programs which enable better web surfing and help protect against spyware are just two types. PCSTATS Tips