First thing i usually do is: Make it look like the old windows.
Install graphics drivers (usually download all drivers and up-to-date software and whack on to a dvd before a reformat)
Install latest direct-X runtimes:
website
Then i put on the anti-virus/firewall currently using Trend micro PC-Cillan, but might go with Avast or AVG next time.
other securty software:
http://www.javacoolsoftware.com/ - Spywareblaster, once installed and protection enabled, usually just have to periodically update and enable new protection for unprotected items.
http://www.safer-networking.org/en/spybotsd/index.html - spybot Search and destroy, Has a large library of bad websites that it can block, you can select if you want it to warn you about it or block the pages silently. Also checks for spyware and can remove them.
http://www.ccleaner.com/ - Crap Cleaner, a tool that wipes temporary files and all sorts of other stuff from your computer, careful how you set it up.
http://www.macecraft.com/ - RegSupreme, a registry cleaning tool
http://www.grisoft.com/doc/download-...otkit/us/crp/5 - an anti-rootkit tool
http://www.lavasoft.de/ - Lavasoft Adaware, another checker for adware.
other applications:
ACDSee image viewer
Paint Shop Pro
http://www.codecguide.com/ - K-Lite Codec pack
DVD Shrink
www.doom9.net - pretty useful site, good for codecs and where i usually grab Gordian knot.
Nero
I used to use DB Poweramp's release 9 to rip my cd's but lately i was invited to oink.cd and there is a link to a guide there somewhere for ripping CD's accurately which recommends Exact Audio Copy:
Guide
Browsers:
Firefox and
Seamonkey
MSN Messenger + messpatch
Teamspeak
World of Warcraft