I like Avast for anti-virus and Zonealarm for Firewall, but lately I've been using Comodos security suite. It's free and from everything I've read (and seen) Comodos firewall is on par or better than zone alarm and the anti-virus seems to do pretty well too.
OlyComputers
Practically a Master Poster
611 posts since Jun 2008
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The reputation system at Daniweb is pretty casual, Give points for any post you feel is thoughtful and informative enough to deserve it. You'll never get penalized for being too giving of it, the only place you might need to worry would be in giving negative feedback too aggressively.
On the scan depth issue I have a couple thoughts:
1. The more steps down you go the less files are compressed that far. Most of the files will be compressed in the first three so the ones in the 4+ wont add much of a load to the scan.
2. You're point about a thoughtful virus writer going four down to avoid the defaults, but on top of that a lot of software that you would find is compressed when you download it. If somebody has a virus in the third level of compression and then that program is in a zip/rar file or on an ISO image that makes it four. Anybody who's actually thinking about these settings probably has their system set up in a way that it would scan again when you decompress or run the archive but it's better not to let it get that far.
OlyComputers
Practically a Master Poster
611 posts since Jun 2008
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I use Firefox, Freedownload manager (Have integrated torrent ability)
On security:
Avast Home,
COMODO Firewall
evstevemd
Senior Poster
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evstevemd
Senior Poster
3,713 posts since Jun 2007
Reputation Points: 462
Solved Threads: 392