some essential and additional packages, which should be installed after an upgrade
vim ssh thunderbird thunderbird-gnome-support enigmail network-manager-openvpn network-manager-vpnc nvidia-glx-* compizconfig-settings-manager gnome-do awn-settings unison-gtk gimp acroread
build-essential git subversion rapidsvn sun-java6-* (uncomment canonical first) maven2 ant
flashplugin-* ubuntu-restricted-extras xine-[ui|plugin] vlc libdvdread4 libqt4-dev
a2ps hplip-gui gnomebaker pidgin skype gdesklets
virtualbox vmware dropbox
texmaker
to be continued …