Nod32 Antivirus 4
This product delivers the best proactive protection against increasingly sophisticated threats and is known for being fast and unnoticeable. It lets you focus on things you care about, not your antivirus. The software uses a powerful combination of advanced heuristic technologies and automatic updates of malware signature databases, detecting and eliminating a rapidly growing number of unknown threats. Its proactive capabilities protect your computer and data even against never before seen malicious code.
Written largely in assembly code, the scan process is very fast, and unnoticable... what a benefit to all gamers and computer users alike!
The software runs in real-time using the ThreatSense Technology to detect threats ahead of time... a great proactive approach.
Pricing : from $59.50 AUD (1yr) and $89.50 AUD (2 yrs)
Official website can be found here.