Whats the best Antivirus for Vista Home premium?

My Computer specs are:

CPUIntel庐 Core鈩?2 Duo processor T5450 (1.66GHz, 2MB cache, 667MHz FSB)

MEMORY1GB DDR2-SDRAM 667MHz SODIMM

MEMORY 21GB DDR2-SDRAM 667MHz SODIMM

HARD DRIVE160GB 5400rpm SATA hard drive

Whats the best Antivirus for Vista Home premium?windows

PROGRAMS FOR VISTA

LOTS OF FREE PROGRAM CAN BE FOUND AT P.C WORLD.COM

JUST GO TO THE SEARCH BOX AND TYPE IN VISTA DOWNLOADS AND A LIST OF 39 AS OF JULY 2007 WILL COME UP. THERE ARE QUITE A FEW THAT ARE FREE AND SOME THAT WOULD COME IN HANDY UNDER SHAREWARE IF NEEDED TO FIX A COMPUTER AND YOU HAD NO OTHER CHOICES.

ZONEALARM- FIREWALL

AVG VIRUS

AVG-ANTI VIRUS ( WHICH IS THE SPYWARE,MAL-WARE,ROOTKITS PROGRAM)

SPYBOT 5.1

GOOGLE EARTH

GOOGLE DESKTOP

BELARC

IE PRIVACY KEEP

All these are version from after date march 2007.

ANOTHER PROGRAM TO PUT ON IS JAVA 6.1 AND TO GET THIS YOU MUST GO TO JAVA sun AND DOWNLOAD.

Again be sure use newest version for vista.

WHERE TO DOWLOAD AVG AND SPYBOT, IE PRIVACY KEEP:

BOTH FOUND AT http://www.grifsoft.com or go to yahoo and enter in search box - AVGfree and the first or 1. Item that is listed is the web site for you to go to.

Once there you will see advertisement for both free %26 paid plus updates, at the left upper side you鈥檒l see download for free basic protection, click the orange download bar and this will get the free program for AVG virus