Classnotes | UNIX02 | RecentChanges | Preferences Your default /etc/apt/sources.list file will be filled with entries you may not want. Edit it and restore it to a sensible defaults.
After that, you will want to defuglify the fonts under Debian. The fonts already look very good because they are anti-aliased. But they could look better still with the mscorefonts we installed last week.