Pc Security

Is my pc completely safe with those things?
1-I got a 3com wireless router with a built in firewall and parental control,it also has NAT function.
2-I’m working with windows Vista x64 and it’s firewall.
3-I got NOD32 antivirus.
4-I got Ad-ware 2007 free edition.
5-I’m using opera browser with security configured properly to block ads and cookies.
what do u [...]