No firewall or filter is ever going to be 100% secure. The threat from virises and other web crap is ever increasing. espcially in the windows world. When i get my money together i will be using a Mac, with a the Boot camp on it as my main machine, atleast MAC OSX (the supirior operating sytem) will normally not have any problmes with it, but when i need to use Windows software i can.
jammie