NOD32

PROS:

• small memory and CPU footprint
• very efficient at blocking most malware
• up to date database (do they sleep ever?)

CONCLUSION:
Install it, buy a megaphone, go to the mac store and shout "My PC is safer than your MAC"

Readynas Pro

PROS:

• VERY fast
• easy to set up
• VERY quiet
• great mature software overall
• X-Raid 2 makes upgrading very easy
• very powerful Add-Ons
• great power management
• great support

CONCLUSION:
If you need a reliable nas that will max out your gigabit ethernet, this is it.