Eight Deadly Sins for Nu-style Catholic Christians (and still counting)

1. Describing oneself as "Catholic", not "Catholic Christian" or Christian
2. Triumphalism
3. Ultramontanism
4. Devotion and prayer to "Saints"
5. Belief in Transubstaniation and the real efficacy of the Sacraments
6. Belief in the Four Last Things
7. Intolerance, including failure to fully respect diverse opinions and those who hold them
8. Failure to embrace Deep Ecology

There are probably more, and your suggestions are very welcome.