Your Spyware/Malware

I feel that i need to have web filter on my computer to block all of the spayware/malware.

PC Tools Spyware Doctor 2010• $29.99 Windows 2000, XP and Windows Vista

Webroot Spy Sweeper 2010- $19.99 Windows XP 32 bit SP1, SP2, SP3
Windows Vista® 32 bit (all Editions)
Windows Vista SP1 32 and 64 bit (all Editions)
Windows 7 32 and 64 bit (all Editions)
300MHz processor (minimum), 1GHz (recommended on Vista)
256 RAM (minimum), 2GB (recommended on Vista)
100 MB Hard Disk Space
Internet Explorer 5.5 and higher, Firefox 2.0 and higher

Double Anti-Spy- $29.99
Lavasoft Ad-ware Free Anniversary Edition $0.00
Processor
P600 MHz or better
RAM
Operating system + 100 MB
Hard Disk
100 MB free space recommended
Supported Operating Systems
Windows 7 (32 and 64-bit), Windows Vista (32 and 64-bit), Windows XP (32-bit), Windows 2000 Pro
Windows XP, Windows Vista (32-bit or 64-bit) or Windows 7 (32-bit or 64-bit)

Micorsoft Windows Defender- $0.00
Windows Vista and is available to download for genuine copies of Windows XP Service Pack 2 or later, or Windows Server 2003 Service Pack 1 or later.

I have done my research on all of the five spyware/malware that i have listed above and i like Lavasoft Ad-ware not just because its free but it offers alot more things in what i am looking for to help with the spyware.