Hardware firewall makes sense at the edge of the network. Haven't really given any thought of a hardware firewall for each machine though.
Security is a cat & mouse game. For every security product someone would find the bypass. In the video, the bypass was active while the user was...
Better wait 2-3 days. Mozilla may well release 33.01 if the history is any indication.
Here's another review & surprise - its favorable. Windows 10 review - A good Start
Separate names with a comma.