i would say Mcafee desktop firewall is probably the best after of course a router based firewall. Antivir is an excellent free antivirus packageas good if not better than both norton and mcafee.
Spybot search and destroy also the best spyware tool out there... try stinger too it routes out known...
Hello... 2 options really .. £60 for XP Home edition or £78 for XP media centre ( same as home edition except it has a few addons.. oem version you cabn buy with a hard drive or memory as long as it is with a main component you will be fine.
i personally would go for media centre as you get a...