IE7 (mainly) Firefox (sometimes)
MS Office
Enhanced Windows Backup
BabasChess - online chess GUI
Foobar
Avira AV
Password Safe
Get_iplayer - downloads BBC radio and TV progs
Dummy File Creator - because modern disks are just too big!
Microsoft Money (billionaire's edition

)
Ad-Aware
SpyBot
Wise Disk Cleaner 4 Free
DivX Player
PowerDVD
Forte FreeAgent - newsgroup reader