Here are some other good Catholic sites on the web:
Please notify me if a link is not working.

EWTN (Eternal Word Television Network)

Envoy magazine (This is Catholic Apologist Pat Madrid's site, lots of good info.)

New Advent (some great information at this site!)

Christ the King Apologetics Guild (a great site run by my good friend and fellow apologist Tim Ouellets)

Catholic Doctrinal Concordance  (a Scriptural defense of Catholicism.)

Daily Readings

Catholic Answers (the premier Catholic Apologetics site on the web.)