I've been running unstable for years, and have had what you mention happen exactly once. If you're on unstable, use apt-listbugs and don't update every day, an

I've been running unstable for years, and have had what you mention happen exactly once. If you're on unstable, use apt-listbugs and don't update every day, and _generally_ you'll be fine. Don't use giant DE's like KDE that go through a lot of transitions and you'll be even better off.