Format c

ur porn folder

yes

pictures
game cfgs
mouse settings
things you've downloaded recently
browser links (?)

et demos
cfgs

Personal files (music, videos, pictures)

All I saved when I reformatted was pictures, music, ET configs, and the first season of My Little Pony: Friendship is Magic. That's all a man needs.

Your background pic, i always lose it :)

Your net drivers :D

make program list with ccleaner

some %appdata% stuffs .. cant be wrong

Prob backup your games, saves for any sp games. Any torrents films etc. If your in school you should save that. Yeah internet drivers if you got wireless.

your C:\

nice pic :P

c:/user/username/appdata
on win7/vista maybe the whole user folder?

backup settings from all programs (firefox,thunderbird,msn,skype,ftp-progs,irc, vent & ts servers, hlsw server list......).. maybe some settings which u always use for auto-login (bnc password,....)

your username's folder(s), application data, some other stuff that might be on your desktop exept for shortcuts