Lots of other good products....
Sophos do a Mac version of their AV product... Free for home use! (http://www.sophos.com/en-us/products/free-tools/sophos-antivirus-for-mac-home-edition.aspx)
Virtualbox is also invaluable for when you need to spin up Windows boxes as we all do from time to time
TextWrangler.... Free highly customisable and flexible editor
MAMP - Instant setup of an Apache PHP MySQL with gui management built in.. stack http://www.mamp.info/en/
Loads of good stuff to be honest!
Biting the hand that feeds IT
