etrust

I have 4 Pc's in My Office 1) P4 HT 3.0Ghz, 1 GB RAM, 915 MOBO (WinXp_SP2, CorelDraw, Photoshop, CA eTrust EZ Antivirus etc.) 2) P4 2.8, 1GB RAM, 845 MOBO (WinXp_SP2, CorelDraw, Photoshop, CA eTrust EZ Antivirus etc.) 3) P4 2.4, 512MB RAM, 845 MOBO (WinXp_SP2, CorelDraw, Photoshop, CA eTrust...

CA eTrust antivirus software wrongly detected part of the operating system (Lsass.exe) as malicious software last week... *news.zdnet.com/2100-1009_22-6112241.html?tag=nl.e589

Now that Grisoft is not supporting AVG 6 anymore n there no updates 4 it...can anybody plz suggest a good anti virus which is good 4 a system with low resources. I tried avast but could not find it good enuf. Are CA's eTrust and Kaspersky Lab's antivirus worth buying?? Plz help me out...

I wanted to install a new anti-virus....so which one is the best? My choices are.....McAfee, Norton, eTrust EZ antivirus, AVG, Quickheal. If u any better then do let me know....