What Im using on vista!!!

RAM.VBE (Read the thread for it)
-Firefox - http://www.getfirefox.com (with the following extensions)

-WinPatrol - http://www.winpatrol.com/
-OpenOffice.org - http://www.openoffice.org/
-Zone Alarm free firewall - http://download.zonealarm.com/bin/free/1025_update/zaSetup_en.exe
-Defraggler - http://www.defraggler.com/download/downloading
-Advanced Disk Cleaner - http://innofiles.com/soft/cleaner/advanced_disk_cleaner.msi (side note you must register it but heres my registration code use it)

- CCleaner - http://www.filehippo.com/download_ccleaner/download/11e4772a551c38a628e7fe29acd21dbc/

Minor usage (messengers and such)
-Pidgin - http://downloads.sourceforge.net/pidgin/pidgin-2.4.2.exe
-Songbird - http://download.songbirdnest.com/installer/windows/i686-msvc8/Songbird_0.6_windows-i686-msvc8.exe